665505828

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 192

約数和(自身を含む): 1994872320

約数和(自身を除く): 1329366492

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 37, 39, 46, 52, 54, 69, 74, 78, 92, 108, 111, 117, 138, 148, 156, 207, 222, 234, 276, 299, 333, 351, 414, 444, 468, 481, 557, 598, 621, 666, 702, 828, 851, 897, 962, 999, 1114, 1196, 1242, 1332, 1404, 1443, 1671, 1702, 1794, 1924, 1998, 2228, 2484, 2553, 2691, 2886, 3342, 3404, 3588, 3996, 4329, 5013, 5106, 5382, 5772, 6684, 7241, 7659, 8073, 8658, 10026, 10212, 10764, 11063, 12811, 12987, 14482, 15039, 15318, 16146, 17316, 20052, 20609, 21723, 22126, 22977, 25622, 25974, 28964, 30078, 30636, 32292, 33189, 38433, 41218, 43446, 44252, 45954, 51244, 51948, 60156, 61827, 65169, 66378, 76866, 82436, 86892, 91908, 99567, 115299, 123654, 130338, 132756, 153732, 166543, 185481, 195507, 199134, 230598, 247308, 260676, 267917, 298701, 333086, 345897, 370962, 391014, 398268, 461196, 474007, 499629, 535834, 556443, 597402, 666172, 691794, 741924, 782028, 803751, 948014, 999258, 1071668, 1112886, 1194804, 1383588, 1422021, 1498887, 1607502, 1896028, 1998516, 2225772, 2411253, 2844042, 2997774, 3215004, 4266063, 4496661, 4822506, 5688084, 5995548, 6162091, 7233759, 8532126, 8993322, 9645012, 12324182, 12798189, 14467518, 17064252, 17986644, 18486273, 24648364, 25596378, 28935036, 36972546, 51192756, 55458819, 73945092, 110917638, 166376457, 221835276, 332752914, 665505828]

約数ペア:

[(1, 665505828), (2, 332752914), (3, 221835276), (4, 166376457), (6, 110917638), (9, 73945092), (12, 55458819), (13, 51192756), (18, 36972546), (23, 28935036), (26, 25596378), (27, 24648364), (36, 18486273), (37, 17986644), (39, 17064252), (46, 14467518), (52, 12798189), (54, 12324182), (69, 9645012), (74, 8993322), (78, 8532126), (92, 7233759), (108, 6162091), (111, 5995548), (117, 5688084), (138, 4822506), (148, 4496661), (156, 4266063), (207, 3215004), (222, 2997774), (234, 2844042), (276, 2411253), (299, 2225772), (333, 1998516), (351, 1896028), (414, 1607502), (444, 1498887), (468, 1422021), (481, 1383588), (557, 1194804), (598, 1112886), (621, 1071668), (666, 999258), (702, 948014), (828, 803751), (851, 782028), (897, 741924), (962, 691794), (999, 666172), (1114, 597402), (1196, 556443), (1242, 535834), (1332, 499629), (1404, 474007), (1443, 461196), (1671, 398268), (1702, 391014), (1794, 370962), (1924, 345897), (1998, 333086), (2228, 298701), (2484, 267917), (2553, 260676), (2691, 247308), (2886, 230598), (3342, 199134), (3404, 195507), (3588, 185481), (3996, 166543), (4329, 153732), (5013, 132756), (5106, 130338), (5382, 123654), (5772, 115299), (6684, 99567), (7241, 91908), (7659, 86892), (8073, 82436), (8658, 76866), (10026, 66378), (10212, 65169), (10764, 61827), (11063, 60156), (12811, 51948), (12987, 51244), (14482, 45954), (15039, 44252), (15318, 43446), (16146, 41218), (17316, 38433), (20052, 33189), (20609, 32292), (21723, 30636), (22126, 30078), (22977, 28964), (25622, 25974)]