208549328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1451}}^1$

素因数の和:2163

約数の個数: 40

約数和(自身を含む): 436076256

約数和(自身を除く): 227526928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 691, 1382, 1451, 2764, 2902, 5528, 5804, 8983, 11056, 11608, 17966, 18863, 23216, 35932, 37726, 71864, 75452, 143728, 150904, 301808, 1002641, 2005282, 4010564, 8021128, 13034333, 16042256, 26068666, 52137332, 104274664, 208549328]

約数ペア:

[(1, 208549328), (2, 104274664), (4, 52137332), (8, 26068666), (13, 16042256), (16, 13034333), (26, 8021128), (52, 4010564), (104, 2005282), (208, 1002641), (691, 301808), (1382, 150904), (1451, 143728), (2764, 75452), (2902, 71864), (5528, 37726), (5804, 35932), (8983, 23216), (11056, 18863), (11608, 17966)]