161901584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:688

約数の個数: 80

約数和(自身を含む): 361226880

約数和(自身を除く): 199325296

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 71, 76, 104, 142, 152, 208, 247, 284, 304, 494, 568, 577, 923, 988, 1136, 1154, 1349, 1846, 1976, 2308, 2698, 3692, 3952, 4616, 5396, 7384, 7501, 9232, 10792, 10963, 14768, 15002, 17537, 21584, 21926, 30004, 35074, 40967, 43852, 60008, 70148, 81934, 87704, 120016, 140296, 142519, 163868, 175408, 280592, 285038, 327736, 532571, 570076, 655472, 778373, 1065142, 1140152, 1556746, 2130284, 2280304, 3113492, 4260568, 6226984, 8521136, 10118849, 12453968, 20237698, 40475396, 80950792, 161901584]

約数ペア:

[(1, 161901584), (2, 80950792), (4, 40475396), (8, 20237698), (13, 12453968), (16, 10118849), (19, 8521136), (26, 6226984), (38, 4260568), (52, 3113492), (71, 2280304), (76, 2130284), (104, 1556746), (142, 1140152), (152, 1065142), (208, 778373), (247, 655472), (284, 570076), (304, 532571), (494, 327736), (568, 285038), (577, 280592), (923, 175408), (988, 163868), (1136, 142519), (1154, 140296), (1349, 120016), (1846, 87704), (1976, 81934), (2308, 70148), (2698, 60008), (3692, 43852), (3952, 40967), (4616, 35074), (5396, 30004), (7384, 21926), (7501, 21584), (9232, 17537), (10792, 15002), (10963, 14768)]