72867275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1613}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 98066640

約数和(自身を除く): 25199365

約数列:

[1, 5, 13, 25, 65, 139, 325, 695, 1613, 1807, 3475, 8065, 9035, 20969, 40325, 45175, 104845, 224207, 524225, 1121035, 2914691, 5605175, 14573455, 72867275]

約数ペア:

[(1, 72867275), (5, 14573455), (13, 5605175), (25, 2914691), (65, 1121035), (139, 524225), (325, 224207), (695, 104845), (1613, 45175), (1807, 40325), (3475, 20969), (8065, 9035)]