645391566

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{419}}^1\times {\mathrm{1031}}^1$

素因数の和:1541

約数の個数: 48

約数和(自身を含む): 1419949440

約数和(自身を除く): 774557874

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 419, 498, 747, 838, 1031, 1257, 1494, 2062, 2514, 3093, 3771, 6186, 7542, 9279, 18558, 34777, 69554, 85573, 104331, 171146, 208662, 256719, 312993, 431989, 513438, 625986, 770157, 863978, 1295967, 1540314, 2591934, 3887901, 7775802, 35855087, 71710174, 107565261, 215130522, 322695783, 645391566]

約数ペア:

[(1, 645391566), (2, 322695783), (3, 215130522), (6, 107565261), (9, 71710174), (18, 35855087), (83, 7775802), (166, 3887901), (249, 2591934), (419, 1540314), (498, 1295967), (747, 863978), (838, 770157), (1031, 625986), (1257, 513438), (1494, 431989), (2062, 312993), (2514, 256719), (3093, 208662), (3771, 171146), (6186, 104331), (7542, 85573), (9279, 69554), (18558, 34777)]