81820232

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{881}}^1$

素因数の和:966

約数の個数: 64

約数和(自身を含む): 177811200

約数和(自身を除く): 95990968

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 247, 376, 494, 611, 881, 893, 988, 1222, 1762, 1786, 1976, 2444, 3524, 3572, 4888, 7048, 7144, 11453, 11609, 16739, 22906, 23218, 33478, 41407, 45812, 46436, 66956, 82814, 91624, 92872, 133912, 165628, 217607, 331256, 435214, 538291, 786733, 870428, 1076582, 1573466, 1740856, 2153164, 3146932, 4306328, 6293864, 10227529, 20455058, 40910116, 81820232]

約数ペア:

[(1, 81820232), (2, 40910116), (4, 20455058), (8, 10227529), (13, 6293864), (19, 4306328), (26, 3146932), (38, 2153164), (47, 1740856), (52, 1573466), (76, 1076582), (94, 870428), (104, 786733), (152, 538291), (188, 435214), (247, 331256), (376, 217607), (494, 165628), (611, 133912), (881, 92872), (893, 91624), (988, 82814), (1222, 66956), (1762, 46436), (1786, 45812), (1976, 41407), (2444, 33478), (3524, 23218), (3572, 22906), (4888, 16739), (7048, 11609), (7144, 11453)]