245491519

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2153}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 309400560

約数和(自身を除く): 63909041

約数列:

[1, 7, 13, 49, 91, 179, 637, 1253, 2153, 2327, 8771, 15071, 16289, 27989, 105497, 114023, 195923, 385387, 1371461, 2697709, 5010031, 18883963, 35070217, 245491519]

約数ペア:

[(1, 245491519), (7, 35070217), (13, 18883963), (49, 5010031), (91, 2697709), (179, 1371461), (637, 385387), (1253, 195923), (2153, 114023), (2327, 105497), (8771, 27989), (15071, 16289)]