31321082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:171

約数の個数: 48

約数和(自身を含む): 55302912

約数和(自身を除く): 23981830

約数列:

[1, 2, 13, 19, 26, 38, 47, 71, 94, 142, 247, 361, 494, 611, 722, 893, 923, 1222, 1349, 1786, 1846, 2698, 3337, 4693, 6674, 9386, 11609, 16967, 17537, 23218, 25631, 33934, 35074, 43381, 51262, 63403, 86762, 126806, 220571, 333203, 441142, 666406, 824239, 1204657, 1648478, 2409314, 15660541, 31321082]

約数ペア:

[(1, 31321082), (2, 15660541), (13, 2409314), (19, 1648478), (26, 1204657), (38, 824239), (47, 666406), (71, 441142), (94, 333203), (142, 220571), (247, 126806), (361, 86762), (494, 63403), (611, 51262), (722, 43381), (893, 35074), (923, 33934), (1222, 25631), (1349, 23218), (1786, 17537), (1846, 16967), (2698, 11609), (3337, 9386), (4693, 6674)]