39878276

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1973}}^1$

素因数の和:2171

約数の個数: 24

約数和(自身を含む): 72516864

約数和(自身を除く): 32638588

約数列:

[1, 2, 4, 31, 62, 124, 163, 326, 652, 1973, 3946, 5053, 7892, 10106, 20212, 61163, 122326, 244652, 321599, 643198, 1286396, 9969569, 19939138, 39878276]

約数ペア:

[(1, 39878276), (2, 19939138), (4, 9969569), (31, 1286396), (62, 643198), (124, 321599), (163, 244652), (326, 122326), (652, 61163), (1973, 20212), (3946, 10106), (5053, 7892)]