8978944

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 80

約数和(自身を含む): 20623680

約数和(自身を除く): 11644736

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 71, 76, 104, 128, 142, 152, 208, 247, 256, 284, 304, 416, 494, 512, 568, 608, 832, 923, 988, 1136, 1216, 1349, 1664, 1846, 1976, 2272, 2432, 2698, 3328, 3692, 3952, 4544, 4864, 5396, 6656, 7384, 7904, 9088, 9728, 10792, 14768, 15808, 17537, 18176, 21584, 29536, 31616, 35074, 36352, 43168, 59072, 63232, 70148, 86336, 118144, 126464, 140296, 172672, 236288, 280592, 345344, 472576, 561184, 690688, 1122368, 2244736, 4489472, 8978944]

約数ペア:

[(1, 8978944), (2, 4489472), (4, 2244736), (8, 1122368), (13, 690688), (16, 561184), (19, 472576), (26, 345344), (32, 280592), (38, 236288), (52, 172672), (64, 140296), (71, 126464), (76, 118144), (104, 86336), (128, 70148), (142, 63232), (152, 59072), (208, 43168), (247, 36352), (256, 35074), (284, 31616), (304, 29536), (416, 21584), (494, 18176), (512, 17537), (568, 15808), (608, 14768), (832, 10792), (923, 9728), (988, 9088), (1136, 7904), (1216, 7384), (1349, 6656), (1664, 5396), (1846, 4864), (1976, 4544), (2272, 3952), (2432, 3692), (2698, 3328)]