13849225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 18943232

約数和(自身を除く): 5094007

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 991, 1075, 2795, 4955, 12883, 13975, 24775, 42613, 64415, 213065, 322075, 553969, 1065325, 2769845, 13849225]

約数ペア:

[(1, 13849225), (5, 2769845), (13, 1065325), (25, 553969), (43, 322075), (65, 213065), (215, 64415), (325, 42613), (559, 24775), (991, 13975), (1075, 12883), (2795, 4955)]