72255781

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 81872736

約数和(自身を除く): 9616955

約数列:

[1, 13, 43, 61, 163, 169, 559, 793, 2119, 2623, 7009, 7267, 9943, 10309, 27547, 34099, 91117, 129259, 427549, 443287, 1184521, 1680367, 5558137, 72255781]

約数ペア:

[(1, 72255781), (13, 5558137), (43, 1680367), (61, 1184521), (163, 443287), (169, 427549), (559, 129259), (793, 91117), (2119, 34099), (2623, 27547), (7009, 10309), (7267, 9943)]