31099789

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:473

約数の個数: 24

約数和(自身を含む): 38819328

約数和(自身を除く): 7719539

約数列:

[1, 7, 19, 31, 133, 217, 361, 397, 589, 2527, 2779, 4123, 7543, 11191, 12307, 52801, 78337, 86149, 143317, 233833, 1003219, 1636831, 4442827, 31099789]

約数ペア:

[(1, 31099789), (7, 4442827), (19, 1636831), (31, 1003219), (133, 233833), (217, 143317), (361, 86149), (397, 78337), (589, 52801), (2527, 12307), (2779, 11191), (4123, 7543)]