78961868

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{1619}}^1$

素因数の和:1849

約数の個数: 24

約数和(自身を含む): 140842800

約数和(自身を除く): 61880932

約数列:

[1, 2, 4, 89, 137, 178, 274, 356, 548, 1619, 3238, 6476, 12193, 24386, 48772, 144091, 221803, 288182, 443606, 576364, 887212, 19740467, 39480934, 78961868]

約数ペア:

[(1, 78961868), (2, 39480934), (4, 19740467), (89, 887212), (137, 576364), (178, 443606), (274, 288182), (356, 221803), (548, 144091), (1619, 48772), (3238, 24386), (6476, 12193)]