71312826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 158699520

約数和(自身を除く): 87386694

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 79, 142, 158, 163, 213, 237, 326, 426, 474, 489, 923, 978, 1027, 1846, 2054, 2119, 2769, 3081, 4238, 5538, 5609, 6162, 6357, 11218, 11573, 12714, 12877, 16827, 23146, 25754, 33654, 34719, 38631, 69438, 72917, 77262, 145834, 150449, 167401, 218751, 300898, 334802, 437502, 451347, 502203, 902694, 914267, 1004406, 1828534, 2742801, 5485602, 11885471, 23770942, 35656413, 71312826]

約数ペア:

[(1, 71312826), (2, 35656413), (3, 23770942), (6, 11885471), (13, 5485602), (26, 2742801), (39, 1828534), (71, 1004406), (78, 914267), (79, 902694), (142, 502203), (158, 451347), (163, 437502), (213, 334802), (237, 300898), (326, 218751), (426, 167401), (474, 150449), (489, 145834), (923, 77262), (978, 72917), (1027, 69438), (1846, 38631), (2054, 34719), (2119, 33654), (2769, 25754), (3081, 23146), (4238, 16827), (5538, 12877), (5609, 12714), (6162, 11573), (6357, 11218)]