64986948

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 189775040

約数和(自身を除く): 124788092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 74, 78, 81, 108, 111, 117, 139, 148, 156, 162, 222, 234, 243, 278, 324, 333, 351, 417, 444, 468, 481, 486, 556, 666, 702, 834, 962, 972, 999, 1053, 1251, 1332, 1404, 1443, 1668, 1807, 1924, 1998, 2106, 2502, 2886, 2997, 3159, 3614, 3753, 3996, 4212, 4329, 5004, 5143, 5421, 5772, 5994, 6318, 7228, 7506, 8658, 8991, 10286, 10842, 11259, 11988, 12636, 12987, 15012, 15429, 16263, 17316, 17982, 20572, 21684, 22518, 25974, 30858, 32526, 33777, 35964, 38961, 45036, 46287, 48789, 51948, 61716, 65052, 66859, 67554, 77922, 92574, 97578, 116883, 133718, 135108, 138861, 146367, 155844, 185148, 195156, 200577, 233766, 267436, 277722, 292734, 401154, 416583, 439101, 467532, 555444, 585468, 601731, 802308, 833166, 878202, 1203462, 1249749, 1666332, 1756404, 1805193, 2406924, 2499498, 3610386, 4998996, 5415579, 7220772, 10831158, 16246737, 21662316, 32493474, 64986948]

約数ペア:

[(1, 64986948), (2, 32493474), (3, 21662316), (4, 16246737), (6, 10831158), (9, 7220772), (12, 5415579), (13, 4998996), (18, 3610386), (26, 2499498), (27, 2406924), (36, 1805193), (37, 1756404), (39, 1666332), (52, 1249749), (54, 1203462), (74, 878202), (78, 833166), (81, 802308), (108, 601731), (111, 585468), (117, 555444), (139, 467532), (148, 439101), (156, 416583), (162, 401154), (222, 292734), (234, 277722), (243, 267436), (278, 233766), (324, 200577), (333, 195156), (351, 185148), (417, 155844), (444, 146367), (468, 138861), (481, 135108), (486, 133718), (556, 116883), (666, 97578), (702, 92574), (834, 77922), (962, 67554), (972, 66859), (999, 65052), (1053, 61716), (1251, 51948), (1332, 48789), (1404, 46287), (1443, 45036), (1668, 38961), (1807, 35964), (1924, 33777), (1998, 32526), (2106, 30858), (2502, 25974), (2886, 22518), (2997, 21684), (3159, 20572), (3614, 17982), (3753, 17316), (3996, 16263), (4212, 15429), (4329, 15012), (5004, 12987), (5143, 12636), (5421, 11988), (5772, 11259), (5994, 10842), (6318, 10286), (7228, 8991), (7506, 8658)]