725351

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 16

約数和(自身を含む): 857088

約数和(自身を除く): 131737

約数列:

[1, 11, 23, 47, 61, 253, 517, 671, 1081, 1403, 2867, 11891, 15433, 31537, 65941, 725351]

約数ペア:

[(1, 725351), (11, 65941), (23, 31537), (47, 15433), (61, 11891), (253, 2867), (517, 1403), (671, 1081)]