31820888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 69357600

約数和(自身を除く): 37536712

約数列:

[1, 2, 4, 8, 11, 22, 29, 37, 44, 58, 74, 88, 116, 148, 232, 296, 319, 337, 407, 638, 674, 814, 1073, 1276, 1348, 1628, 2146, 2552, 2696, 3256, 3707, 4292, 7414, 8584, 9773, 11803, 12469, 14828, 19546, 23606, 24938, 29656, 39092, 47212, 49876, 78184, 94424, 99752, 107503, 137159, 215006, 274318, 361601, 430012, 548636, 723202, 860024, 1097272, 1446404, 2892808, 3977611, 7955222, 15910444, 31820888]

約数ペア:

[(1, 31820888), (2, 15910444), (4, 7955222), (8, 3977611), (11, 2892808), (22, 1446404), (29, 1097272), (37, 860024), (44, 723202), (58, 548636), (74, 430012), (88, 361601), (116, 274318), (148, 215006), (232, 137159), (296, 107503), (319, 99752), (337, 94424), (407, 78184), (638, 49876), (674, 47212), (814, 39092), (1073, 29656), (1276, 24938), (1348, 23606), (1628, 19546), (2146, 14828), (2552, 12469), (2696, 11803), (3256, 9773), (3707, 8584), (4292, 7414)]