28260628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{4091}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 54309024

約数和(自身を除く): 26048396

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3454, 4091, 6908, 8182, 16364, 45001, 90002, 180004, 642287, 1284574, 2569148, 7065157, 14130314, 28260628]

約数ペア:

[(1, 28260628), (2, 14130314), (4, 7065157), (11, 2569148), (22, 1284574), (44, 642287), (157, 180004), (314, 90002), (628, 45001), (1727, 16364), (3454, 8182), (4091, 6908)]