40490554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{647}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 68584320

約数和(自身を除く): 28093766

約数列:

[1, 2, 13, 26, 29, 58, 83, 166, 377, 647, 754, 1079, 1294, 2158, 2407, 4814, 8411, 16822, 18763, 31291, 37526, 53701, 62582, 107402, 243919, 487838, 698113, 1396226, 1557329, 3114658, 20245277, 40490554]

約数ペア:

[(1, 40490554), (2, 20245277), (13, 3114658), (26, 1557329), (29, 1396226), (58, 698113), (83, 487838), (166, 243919), (377, 107402), (647, 62582), (754, 53701), (1079, 37526), (1294, 31291), (2158, 18763), (2407, 16822), (4814, 8411)]