72947524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{7121}}^1$

素因数の和:7335

約数の個数: 24

約数和(自身を含む): 138195288

約数和(自身を除く): 65247764

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 7121, 10244, 14242, 28484, 92573, 185146, 370292, 1402837, 2805674, 5611348, 18236881, 36473762, 72947524]

約数ペア:

[(1, 72947524), (2, 36473762), (4, 18236881), (13, 5611348), (26, 2805674), (52, 1402837), (197, 370292), (394, 185146), (788, 92573), (2561, 28484), (5122, 14242), (7121, 10244)]