28077305

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 6396295

約数列:

[1, 5, 71, 139, 355, 569, 695, 2845, 9869, 40399, 49345, 79091, 201995, 395455, 5615461, 28077305]

約数ペア:

[(1, 28077305), (5, 5615461), (71, 395455), (139, 201995), (355, 79091), (569, 49345), (695, 40399), (2845, 9869)]