28724702921

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{937}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 31062958080

約数和(自身を除く): 2338255159

約数列:

[1, 23, 43, 139, 223, 937, 989, 3197, 5129, 5977, 9589, 21551, 30997, 40291, 130243, 137471, 208951, 220547, 712931, 926693, 1332871, 2995589, 4805873, 5600449, 8984893, 29044189, 30656033, 128810327, 206652539, 668016347, 1248900127, 28724702921]

約数ペア:

[(1, 28724702921), (23, 1248900127), (43, 668016347), (139, 206652539), (223, 128810327), (937, 30656033), (989, 29044189), (3197, 8984893), (5129, 5600449), (5977, 4805873), (9589, 2995589), (21551, 1332871), (30997, 926693), (40291, 712931), (130243, 220547), (137471, 208951)]