31881872

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2293}}^1$

素因数の和:2391

約数の個数: 40

約数和(自身を含む): 68269440

約数和(自身を除く): 36387568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 79, 88, 158, 176, 316, 632, 869, 1264, 1738, 2293, 3476, 4586, 6952, 9172, 13904, 18344, 25223, 36688, 50446, 100892, 181147, 201784, 362294, 403568, 724588, 1449176, 1992617, 2898352, 3985234, 7970468, 15940936, 31881872]

約数ペア:

[(1, 31881872), (2, 15940936), (4, 7970468), (8, 3985234), (11, 2898352), (16, 1992617), (22, 1449176), (44, 724588), (79, 403568), (88, 362294), (158, 201784), (176, 181147), (316, 100892), (632, 50446), (869, 36688), (1264, 25223), (1738, 18344), (2293, 13904), (3476, 9172), (4586, 6952)]