42172996

素因数分解:

$2^2\times {\mathrm{991}}^1\times {\mathrm{10639}}^1$

素因数の和:11634

約数の個数: 12

約数和(自身を含む): 73884160

約数和(自身を除く): 31711164

約数列:

[1, 2, 4, 991, 1982, 3964, 10639, 21278, 42556, 10543249, 21086498, 42172996]

約数ペア:

[(1, 42172996), (2, 21086498), (4, 10543249), (991, 42556), (1982, 21278), (3964, 10639)]