40038218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:638

約数の個数: 32

約数和(自身を含む): 68093568

約数和(自身を除く): 28055350

約数列:

[1, 2, 11, 22, 37, 74, 101, 202, 407, 487, 814, 974, 1111, 2222, 3737, 5357, 7474, 10714, 18019, 36038, 41107, 49187, 82214, 98374, 198209, 396418, 541057, 1082114, 1819919, 3639838, 20019109, 40038218]

約数ペア:

[(1, 40038218), (2, 20019109), (11, 3639838), (22, 1819919), (37, 1082114), (74, 541057), (101, 396418), (202, 198209), (407, 98374), (487, 82214), (814, 49187), (974, 41107), (1111, 36038), (2222, 18019), (3737, 10714), (5357, 7474)]