28090172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5857}}^1$

素因数の和:5981

約数の個数: 24

約数和(自身を含む): 54127920

約数和(自身を除く): 26037748

約数列:

[1, 2, 4, 11, 22, 44, 109, 218, 436, 1199, 2398, 4796, 5857, 11714, 23428, 64427, 128854, 257708, 638413, 1276826, 2553652, 7022543, 14045086, 28090172]

約数ペア:

[(1, 28090172), (2, 14045086), (4, 7022543), (11, 2553652), (22, 1276826), (44, 638413), (109, 257708), (218, 128854), (436, 64427), (1199, 23428), (2398, 11714), (4796, 5857)]