331201936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:680

約数の個数: 80

約数和(自身を含む): 719203968

約数和(自身を除く): 388002032

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 71, 82, 104, 142, 164, 208, 284, 328, 533, 547, 568, 656, 923, 1066, 1094, 1136, 1846, 2132, 2188, 2911, 3692, 4264, 4376, 5822, 7111, 7384, 8528, 8752, 11644, 14222, 14768, 22427, 23288, 28444, 37843, 38837, 44854, 46576, 56888, 75686, 77674, 89708, 113776, 151372, 155348, 179416, 291551, 302744, 310696, 358832, 504881, 583102, 605488, 621392, 1009762, 1166204, 1592317, 2019524, 2332408, 3184634, 4039048, 4664816, 6369268, 8078096, 12738536, 20700121, 25477072, 41400242, 82800484, 165600968, 331201936]

約数ペア:

[(1, 331201936), (2, 165600968), (4, 82800484), (8, 41400242), (13, 25477072), (16, 20700121), (26, 12738536), (41, 8078096), (52, 6369268), (71, 4664816), (82, 4039048), (104, 3184634), (142, 2332408), (164, 2019524), (208, 1592317), (284, 1166204), (328, 1009762), (533, 621392), (547, 605488), (568, 583102), (656, 504881), (923, 358832), (1066, 310696), (1094, 302744), (1136, 291551), (1846, 179416), (2132, 155348), (2188, 151372), (2911, 113776), (3692, 89708), (4264, 77674), (4376, 75686), (5822, 56888), (7111, 46576), (7384, 44854), (8528, 38837), (8752, 37843), (11644, 28444), (14222, 23288), (14768, 22427)]