643280652

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2707}}^1$

素因数の和:2788

約数の個数: 144

約数和(自身を含む): 1987195392

約数和(自身を除く): 1343914740

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 41, 42, 46, 63, 69, 82, 84, 92, 123, 126, 138, 161, 164, 207, 246, 252, 276, 287, 322, 369, 414, 483, 492, 574, 644, 738, 828, 861, 943, 966, 1148, 1449, 1476, 1722, 1886, 1932, 2583, 2707, 2829, 2898, 3444, 3772, 5166, 5414, 5658, 5796, 6601, 8121, 8487, 10332, 10828, 11316, 13202, 16242, 16974, 18949, 19803, 24363, 26404, 32484, 33948, 37898, 39606, 48726, 56847, 59409, 62261, 75796, 79212, 97452, 110987, 113694, 118818, 124522, 170541, 186783, 221974, 227388, 237636, 249044, 332961, 341082, 373566, 435827, 443948, 560349, 665922, 682164, 747132, 776909, 871654, 998883, 1120698, 1307481, 1331844, 1553818, 1743308, 1997766, 2241396, 2330727, 2552701, 2614962, 3107636, 3922443, 3995532, 4661454, 5105402, 5229924, 6992181, 7658103, 7844886, 9322908, 10210804, 13984362, 15316206, 15689772, 17868907, 22974309, 27968724, 30632412, 35737814, 45948618, 53606721, 71475628, 91897236, 107213442, 160820163, 214426884, 321640326, 643280652]

約数ペア:

[(1, 643280652), (2, 321640326), (3, 214426884), (4, 160820163), (6, 107213442), (7, 91897236), (9, 71475628), (12, 53606721), (14, 45948618), (18, 35737814), (21, 30632412), (23, 27968724), (28, 22974309), (36, 17868907), (41, 15689772), (42, 15316206), (46, 13984362), (63, 10210804), (69, 9322908), (82, 7844886), (84, 7658103), (92, 6992181), (123, 5229924), (126, 5105402), (138, 4661454), (161, 3995532), (164, 3922443), (207, 3107636), (246, 2614962), (252, 2552701), (276, 2330727), (287, 2241396), (322, 1997766), (369, 1743308), (414, 1553818), (483, 1331844), (492, 1307481), (574, 1120698), (644, 998883), (738, 871654), (828, 776909), (861, 747132), (943, 682164), (966, 665922), (1148, 560349), (1449, 443948), (1476, 435827), (1722, 373566), (1886, 341082), (1932, 332961), (2583, 249044), (2707, 237636), (2829, 227388), (2898, 221974), (3444, 186783), (3772, 170541), (5166, 124522), (5414, 118818), (5658, 113694), (5796, 110987), (6601, 97452), (8121, 79212), (8487, 75796), (10332, 62261), (10828, 59409), (11316, 56847), (13202, 48726), (16242, 39606), (16974, 37898), (18949, 33948), (19803, 32484), (24363, 26404)]