397201974

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4219}}^1$

素因数の和:4325

約数の個数: 64

約数和(自身を含む): 918812160

約数和(自身を除く): 521610186

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 71, 78, 102, 142, 213, 221, 426, 442, 663, 923, 1207, 1326, 1846, 2414, 2769, 3621, 4219, 5538, 7242, 8438, 12657, 15691, 25314, 31382, 47073, 54847, 71723, 94146, 109694, 143446, 164541, 215169, 299549, 329082, 430338, 599098, 898647, 932399, 1797294, 1864798, 2797197, 3894137, 5092333, 5594394, 7788274, 10184666, 11682411, 15276999, 23364822, 30553998, 66200329, 132400658, 198600987, 397201974]

約数ペア:

[(1, 397201974), (2, 198600987), (3, 132400658), (6, 66200329), (13, 30553998), (17, 23364822), (26, 15276999), (34, 11682411), (39, 10184666), (51, 7788274), (71, 5594394), (78, 5092333), (102, 3894137), (142, 2797197), (213, 1864798), (221, 1797294), (426, 932399), (442, 898647), (663, 599098), (923, 430338), (1207, 329082), (1326, 299549), (1846, 215169), (2414, 164541), (2769, 143446), (3621, 109694), (4219, 94146), (5538, 71723), (7242, 54847), (8438, 47073), (12657, 31382), (15691, 25314)]