56553965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21221}}^1$

素因数の和:21280

約数の個数: 16

約数和(自身を含む): 74871216

約数和(自身を除く): 18317251

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 21221, 106105, 275873, 870061, 1379365, 4350305, 11310793, 56553965]

約数ペア:

[(1, 56553965), (5, 11310793), (13, 4350305), (41, 1379365), (65, 870061), (205, 275873), (533, 106105), (2665, 21221)]