28011038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{11681}}^1$

素因数の和:11803

約数の個数: 16

約数和(自身を含む): 46260720

約数和(自身を除く): 18249682

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 11681, 23362, 128491, 256982, 1273229, 2546458, 14005519, 28011038]

約数ペア:

[(1, 28011038), (2, 14005519), (11, 2546458), (22, 1273229), (109, 256982), (218, 128491), (1199, 23362), (2398, 11681)]