28102778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1289}}^1$

素因数の和:2293

約数の個数: 16

約数和(自身を含む): 46068480

約数和(自身を除く): 17965702

約数列:

[1, 2, 11, 22, 991, 1289, 1982, 2578, 10901, 14179, 21802, 28358, 1277399, 2554798, 14051389, 28102778]

約数ペア:

[(1, 28102778), (2, 14051389), (11, 2554798), (22, 1277399), (991, 28358), (1289, 21802), (1982, 14179), (2578, 10901)]