206525890

素因数分解:

$2^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{126703}}^1$

素因数の和:126873

約数の個数: 16

約数和(自身を含む): 374030208

約数和(自身を除く): 167504318

約数列:

[1, 2, 5, 10, 163, 326, 815, 1630, 126703, 253406, 633515, 1267030, 20652589, 41305178, 103262945, 206525890]

約数ペア:

[(1, 206525890), (2, 103262945), (5, 41305178), (10, 20652589), (163, 1267030), (326, 633515), (815, 253406), (1630, 126703)]