81672316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{4409}}^1$

素因数の和:4845

約数の個数: 24

約数和(自身を含む): 156325680

約数和(自身を除く): 74653364

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1684, 4409, 4631, 8818, 9262, 17636, 18524, 48499, 96998, 193996, 1856189, 3712378, 7424756, 20418079, 40836158, 81672316]

約数ペア:

[(1, 81672316), (2, 40836158), (4, 20418079), (11, 7424756), (22, 3712378), (44, 1856189), (421, 193996), (842, 96998), (1684, 48499), (4409, 18524), (4631, 17636), (8818, 9262)]