28937584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139123}}^1$

素因数の和:139144

約数の個数: 20

約数和(自身を含む): 60379816

約数和(自身を除く): 31442232

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139123, 278246, 556492, 1112984, 1808599, 2225968, 3617198, 7234396, 14468792, 28937584]

約数ペア:

[(1, 28937584), (2, 14468792), (4, 7234396), (8, 3617198), (13, 2225968), (16, 1808599), (26, 1112984), (52, 556492), (104, 278246), (208, 139123)]