26815990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{211}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 49455360

約数和(自身を除く): 22639370

約数列:

[1, 2, 5, 10, 71, 142, 179, 211, 355, 358, 422, 710, 895, 1055, 1790, 2110, 12709, 14981, 25418, 29962, 37769, 63545, 74905, 75538, 127090, 149810, 188845, 377690, 2681599, 5363198, 13407995, 26815990]

約数ペア:

[(1, 26815990), (2, 13407995), (5, 5363198), (10, 2681599), (71, 377690), (142, 188845), (179, 149810), (211, 127090), (355, 75538), (358, 74905), (422, 63545), (710, 37769), (895, 29962), (1055, 25418), (1790, 14981), (2110, 12709)]