16217825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{359}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 21873600

約数和(自身を除く): 5655775

約数列:

[1, 5, 13, 25, 65, 139, 325, 359, 695, 1795, 1807, 3475, 4667, 8975, 9035, 23335, 45175, 49901, 116675, 249505, 648713, 1247525, 3243565, 16217825]

約数ペア:

[(1, 16217825), (5, 3243565), (13, 1247525), (25, 648713), (65, 249505), (139, 116675), (325, 49901), (359, 45175), (695, 23335), (1795, 9035), (1807, 8975), (3475, 4667)]