28056275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 37758000

約数和(自身を除く): 9701725

約数列:

[1, 5, 13, 25, 65, 173, 325, 499, 865, 2249, 2495, 4325, 6487, 11245, 12475, 32435, 56225, 86327, 162175, 431635, 1122251, 2158175, 5611255, 28056275]

約数ペア:

[(1, 28056275), (5, 5611255), (13, 2158175), (25, 1122251), (65, 431635), (173, 162175), (325, 86327), (499, 56225), (865, 32435), (2249, 12475), (2495, 11245), (4325, 6487)]