291228415

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 379625472

約数和(自身を除く): 88397057

約数列:

[1, 5, 23, 31, 115, 151, 155, 541, 713, 755, 2705, 3473, 3565, 4681, 12443, 16771, 17365, 23405, 62215, 81691, 83855, 107663, 385733, 408455, 538315, 1878893, 1928665, 2532421, 9394465, 12662105, 58245683, 291228415]

約数ペア:

[(1, 291228415), (5, 58245683), (23, 12662105), (31, 9394465), (115, 2532421), (151, 1928665), (155, 1878893), (541, 538315), (713, 408455), (755, 385733), (2705, 107663), (3473, 83855), (3565, 81691), (4681, 62215), (12443, 23405), (16771, 17365)]