13651025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 24

約数和(自身を含む): 18451200

約数和(自身を除く): 4800175

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 991, 2755, 4955, 13775, 18829, 24775, 28739, 94145, 143695, 470725, 546041, 718475, 2730205, 13651025]

約数ペア:

[(1, 13651025), (5, 2730205), (19, 718475), (25, 546041), (29, 470725), (95, 143695), (145, 94145), (475, 28739), (551, 24775), (725, 18829), (991, 13775), (2755, 4955)]