291217225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{52709}}^1$

素因数の和:52749

約数の個数: 24

約数和(自身を含む): 411770520

約数和(自身を除く): 120553295

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 52709, 263545, 685217, 896053, 1317725, 3426085, 4480265, 11648689, 17130425, 22401325, 58243445, 291217225]

約数ペア:

[(1, 291217225), (5, 58243445), (13, 22401325), (17, 17130425), (25, 11648689), (65, 4480265), (85, 3426085), (221, 1317725), (325, 896053), (425, 685217), (1105, 263545), (5525, 52709)]