31813538

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1427}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 48734784

約数和(自身を除く): 16921246

約数列:

[1, 2, 71, 142, 157, 314, 1427, 2854, 11147, 22294, 101317, 202634, 224039, 448078, 15906769, 31813538]

約数ペア:

[(1, 31813538), (2, 15906769), (71, 448078), (142, 224039), (157, 202634), (314, 101317), (1427, 22294), (2854, 11147)]