15780115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2357}}^1$

素因数の和:2478

約数の個数: 16

約数和(自身を含む): 20599488

約数和(自身を除く): 4819373

約数列:

[1, 5, 13, 65, 103, 515, 1339, 2357, 6695, 11785, 30641, 153205, 242771, 1213855, 3156023, 15780115]

約数ペア:

[(1, 15780115), (5, 3156023), (13, 1213855), (65, 242771), (103, 153205), (515, 30641), (1339, 11785), (2357, 6695)]