28736990

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^2\times {\mathrm{251}}^1$

素因数の和:472

約数の個数: 24

約数和(自身を含む): 52422552

約数和(自身を除く): 23685562

約数列:

[1, 2, 5, 10, 107, 214, 251, 502, 535, 1070, 1255, 2510, 11449, 22898, 26857, 53714, 57245, 114490, 134285, 268570, 2873699, 5747398, 14368495, 28736990]

約数ペア:

[(1, 28736990), (2, 14368495), (5, 5747398), (10, 2873699), (107, 268570), (214, 134285), (251, 114490), (502, 57245), (535, 53714), (1070, 26857), (1255, 22898), (2510, 11449)]