15641948

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4019}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 31516800

約数和(自身を除く): 15874852

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 4019, 8038, 16076, 28133, 56266, 112532, 558641, 1117282, 2234564, 3910487, 7820974, 15641948]

約数ペア:

[(1, 15641948), (2, 7820974), (4, 3910487), (7, 2234564), (14, 1117282), (28, 558641), (139, 112532), (278, 56266), (556, 28133), (973, 16076), (1946, 8038), (3892, 4019)]