71428775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1231}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 97160448

約数和(自身を除く): 25731673

約数列:

[1, 5, 11, 25, 55, 211, 275, 1055, 1231, 2321, 5275, 6155, 11605, 13541, 30775, 58025, 67705, 259741, 338525, 1298705, 2857151, 6493525, 14285755, 71428775]

約数ペア:

[(1, 71428775), (5, 14285755), (11, 6493525), (25, 2857151), (55, 1298705), (211, 338525), (275, 259741), (1055, 67705), (1231, 58025), (2321, 30775), (5275, 13541), (6155, 11605)]