2191772

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 4231920

約数和(自身を除く): 2040148

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 457, 914, 1199, 1828, 2398, 4796, 5027, 10054, 20108, 49813, 99626, 199252, 547943, 1095886, 2191772]

約数ペア:

[(1, 2191772), (2, 1095886), (4, 547943), (11, 199252), (22, 99626), (44, 49813), (109, 20108), (218, 10054), (436, 5027), (457, 4796), (914, 2398), (1199, 1828)]