15661077572

素因数分解:

$2^2\times 7^2\times {\mathrm{79903457}}^1$

素因数の和:79903475

約数の個数: 18

約数和(自身を含む): 31881479742

約数和(自身を除く): 16220402170

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 79903457, 159806914, 319613828, 559324199, 1118648398, 2237296796, 3915269393, 7830538786, 15661077572]

約数ペア:

[(1, 15661077572), (2, 7830538786), (4, 3915269393), (7, 2237296796), (14, 1118648398), (28, 559324199), (49, 319613828), (98, 159806914), (196, 79903457)]