1987634

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{541}}^1$

素因数の和:721

約数の個数: 16

約数和(自身を含む): 3278016

約数和(自身を除く): 1290382

約数列:

[1, 2, 11, 22, 167, 334, 541, 1082, 1837, 3674, 5951, 11902, 90347, 180694, 993817, 1987634]

約数ペア:

[(1, 1987634), (2, 993817), (11, 180694), (22, 90347), (167, 11902), (334, 5951), (541, 3674), (1082, 1837)]