291226325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{1553}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 389824008

約数和(自身を除く): 98597683

約数列:

[1, 5, 13, 25, 65, 325, 577, 1553, 2885, 7501, 7765, 14425, 20189, 37505, 38825, 100945, 187525, 504725, 896081, 4480405, 11649053, 22402025, 58245265, 291226325]

約数ペア:

[(1, 291226325), (5, 58245265), (13, 22402025), (25, 11649053), (65, 4480405), (325, 896081), (577, 504725), (1553, 187525), (2885, 100945), (7501, 38825), (7765, 37505), (14425, 20189)]