398100976

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3851}}^1$

素因数の和:3950

約数の個数: 80

約数和(自身を含む): 962938368

約数和(自身を除く): 564837392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 3692, 3851, 3976, 6461, 7384, 7702, 7952, 12922, 14768, 15404, 25844, 26957, 30808, 50063, 51688, 53914, 61616, 100126, 103376, 107828, 200252, 215656, 273421, 350441, 400504, 431312, 546842, 700882, 801008, 1093684, 1401764, 1913947, 2187368, 2803528, 3554473, 3827894, 4374736, 5607056, 7108946, 7655788, 14217892, 15311576, 24881311, 28435784, 30623152, 49762622, 56871568, 99525244, 199050488, 398100976]

約数ペア:

[(1, 398100976), (2, 199050488), (4, 99525244), (7, 56871568), (8, 49762622), (13, 30623152), (14, 28435784), (16, 24881311), (26, 15311576), (28, 14217892), (52, 7655788), (56, 7108946), (71, 5607056), (91, 4374736), (104, 3827894), (112, 3554473), (142, 2803528), (182, 2187368), (208, 1913947), (284, 1401764), (364, 1093684), (497, 801008), (568, 700882), (728, 546842), (923, 431312), (994, 400504), (1136, 350441), (1456, 273421), (1846, 215656), (1988, 200252), (3692, 107828), (3851, 103376), (3976, 100126), (6461, 61616), (7384, 53914), (7702, 51688), (7952, 50063), (12922, 30808), (14768, 26957), (15404, 25844)]