397381712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{272927}}^1$

素因数の和:272955

約数の個数: 40

約数和(自身を含む): 947606016

約数和(自身を除く): 550224304

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 272927, 545854, 1091708, 1910489, 2183416, 3548051, 3820978, 4366832, 7096102, 7641956, 14192204, 15283912, 24836357, 28384408, 30567824, 49672714, 56768816, 99345428, 198690856, 397381712]

約数ペア:

[(1, 397381712), (2, 198690856), (4, 99345428), (7, 56768816), (8, 49672714), (13, 30567824), (14, 28384408), (16, 24836357), (26, 15283912), (28, 14192204), (52, 7641956), (56, 7096102), (91, 4366832), (104, 3820978), (112, 3548051), (182, 2183416), (208, 1910489), (364, 1091708), (728, 545854), (1456, 272927)]