138697984

素因数分解:

$2^8\times {\mathrm{443}}^1\times {\mathrm{1223}}^1$

素因数の和:1682

約数の個数: 36

約数和(自身を含む): 277706016

約数和(自身を除く): 139008032

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 443, 886, 1223, 1772, 2446, 3544, 4892, 7088, 9784, 14176, 19568, 28352, 39136, 56704, 78272, 113408, 156544, 313088, 541789, 1083578, 2167156, 4334312, 8668624, 17337248, 34674496, 69348992, 138697984]

約数ペア:

[(1, 138697984), (2, 69348992), (4, 34674496), (8, 17337248), (16, 8668624), (32, 4334312), (64, 2167156), (128, 1083578), (256, 541789), (443, 313088), (886, 156544), (1223, 113408), (1772, 78272), (2446, 56704), (3544, 39136), (4892, 28352), (7088, 19568), (9784, 14176)]