78472718

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{20749}}^1$

素因数の和:20843

約数の個数: 16

約数和(自身を含む): 123504000

約数和(自身を除く): 45031282

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 20749, 41498, 643219, 1265689, 1286438, 2531378, 39236359, 78472718]

約数ペア:

[(1, 78472718), (2, 39236359), (31, 2531378), (61, 1286438), (62, 1265689), (122, 643219), (1891, 41498), (3782, 20749)]