12821781178

素因数分解:

$2^1\times {\mathrm{971}}^1\times {\mathrm{1213}}^1\times {\mathrm{5443}}^1$

素因数の和:7629

約数の個数: 16

約数和(自身を含む): 19271890656

約数和(自身を除く): 6450109478

約数列:

[1, 2, 971, 1213, 1942, 2426, 5443, 10886, 1177823, 2355646, 5285153, 6602359, 10570306, 13204718, 6410890589, 12821781178]

約数ペア:

[(1, 12821781178), (2, 6410890589), (971, 13204718), (1213, 10570306), (1942, 6602359), (2426, 5285153), (5443, 2355646), (10886, 1177823)]