8242390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 17418240

約数和(自身を除く): 9175850

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 47, 65, 71, 94, 95, 130, 142, 190, 235, 247, 355, 470, 494, 611, 710, 893, 923, 1222, 1235, 1349, 1786, 1846, 2470, 2698, 3055, 3337, 4465, 4615, 6110, 6674, 6745, 8930, 9230, 11609, 13490, 16685, 17537, 23218, 33370, 35074, 43381, 58045, 63403, 86762, 87685, 116090, 126806, 175370, 216905, 317015, 433810, 634030, 824239, 1648478, 4121195, 8242390]

約数ペア:

[(1, 8242390), (2, 4121195), (5, 1648478), (10, 824239), (13, 634030), (19, 433810), (26, 317015), (38, 216905), (47, 175370), (65, 126806), (71, 116090), (94, 87685), (95, 86762), (130, 63403), (142, 58045), (190, 43381), (235, 35074), (247, 33370), (355, 23218), (470, 17537), (494, 16685), (611, 13490), (710, 11609), (893, 9230), (923, 8930), (1222, 6745), (1235, 6674), (1349, 6110), (1786, 4615), (1846, 4465), (2470, 3337), (2698, 3055)]