201809725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{6977}}^1$

素因数の和:7089

約数の個数: 24

約数和(自身を含む): 272560680

約数和(自身を除く): 70750955

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 1157, 2225, 5785, 6977, 28925, 34885, 90701, 174425, 453505, 620953, 2267525, 3104765, 8072389, 15523825, 40361945, 201809725]

約数ペア:

[(1, 201809725), (5, 40361945), (13, 15523825), (25, 8072389), (65, 3104765), (89, 2267525), (325, 620953), (445, 453505), (1157, 174425), (2225, 90701), (5785, 34885), (6977, 28925)]