25495015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 38021760

約数和(自身を除く): 12526745

約数列:

[1, 5, 7, 13, 35, 65, 91, 137, 409, 455, 685, 959, 1781, 2045, 2863, 4795, 5317, 8905, 12467, 14315, 26585, 37219, 56033, 62335, 186095, 280165, 392231, 728429, 1961155, 3642145, 5099003, 25495015]

約数ペア:

[(1, 25495015), (5, 5099003), (7, 3642145), (13, 1961155), (35, 728429), (65, 392231), (91, 280165), (137, 186095), (409, 62335), (455, 56033), (685, 37219), (959, 26585), (1781, 14315), (2045, 12467), (2863, 8905), (4795, 5317)]