155887225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7159}}^1$

素因数の和:7249

約数の個数: 24

約数和(自身を含む): 211305920

約数和(自身を除く): 55418695

約数列:

[1, 5, 13, 25, 65, 67, 325, 335, 871, 1675, 4355, 7159, 21775, 35795, 93067, 178975, 465335, 479653, 2326675, 2398265, 6235489, 11991325, 31177445, 155887225]

約数ペア:

[(1, 155887225), (5, 31177445), (13, 11991325), (25, 6235489), (65, 2398265), (67, 2326675), (325, 479653), (335, 465335), (871, 178975), (1675, 93067), (4355, 35795), (7159, 21775)]