645940506

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1\times {\mathrm{4013}}^1$

素因数の和:4350

約数の個数: 32

約数和(自身を含む): 1308242880

約数和(自身を除く): 662302374

約数列:

[1, 2, 3, 6, 139, 193, 278, 386, 417, 579, 834, 1158, 4013, 8026, 12039, 24078, 26827, 53654, 80481, 160962, 557807, 774509, 1115614, 1549018, 1673421, 2323527, 3346842, 4647054, 107656751, 215313502, 322970253, 645940506]

約数ペア:

[(1, 645940506), (2, 322970253), (3, 215313502), (6, 107656751), (139, 4647054), (193, 3346842), (278, 2323527), (386, 1673421), (417, 1549018), (579, 1115614), (834, 774509), (1158, 557807), (4013, 160962), (8026, 80481), (12039, 53654), (24078, 26827)]