31071872

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 67858560

約数和(自身を除く): 36786688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 71, 104, 128, 142, 208, 263, 284, 416, 526, 568, 832, 923, 1052, 1136, 1664, 1846, 2104, 2272, 3419, 3692, 4208, 4544, 6838, 7384, 8416, 9088, 13676, 14768, 16832, 18673, 27352, 29536, 33664, 37346, 54704, 59072, 74692, 109408, 118144, 149384, 218816, 242749, 298768, 437632, 485498, 597536, 970996, 1195072, 1941992, 2390144, 3883984, 7767968, 15535936, 31071872]

約数ペア:

[(1, 31071872), (2, 15535936), (4, 7767968), (8, 3883984), (13, 2390144), (16, 1941992), (26, 1195072), (32, 970996), (52, 597536), (64, 485498), (71, 437632), (104, 298768), (128, 242749), (142, 218816), (208, 149384), (263, 118144), (284, 109408), (416, 74692), (526, 59072), (568, 54704), (832, 37346), (923, 33664), (1052, 29536), (1136, 27352), (1664, 18673), (1846, 16832), (2104, 14768), (2272, 13676), (3419, 9088), (3692, 8416), (4208, 7384), (4544, 6838)]