90591325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 128848896

約数和(自身を除く): 38257571

約数列:

[1, 5, 11, 25, 43, 47, 55, 163, 215, 235, 275, 473, 517, 815, 1075, 1175, 1793, 2021, 2365, 2585, 4075, 7009, 7661, 8965, 10105, 11825, 12925, 22231, 35045, 38305, 44825, 50525, 77099, 84271, 111155, 175225, 191525, 329423, 385495, 421355, 555775, 1647115, 1927475, 2106775, 3623653, 8235575, 18118265, 90591325]

約数ペア:

[(1, 90591325), (5, 18118265), (11, 8235575), (25, 3623653), (43, 2106775), (47, 1927475), (55, 1647115), (163, 555775), (215, 421355), (235, 385495), (275, 329423), (473, 191525), (517, 175225), (815, 111155), (1075, 84271), (1175, 77099), (1793, 50525), (2021, 44825), (2365, 38305), (2585, 35045), (4075, 22231), (7009, 12925), (7661, 11825), (8965, 10105)]