291201325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4513}}^1$

素因数の和:4641

約数の個数: 24

約数和(自身を含む): 377821800

約数和(自身を除く): 86620475

約数列:

[1, 5, 25, 29, 89, 145, 445, 725, 2225, 2581, 4513, 12905, 22565, 64525, 112825, 130877, 401657, 654385, 2008285, 3271925, 10041425, 11648053, 58240265, 291201325]

約数ペア:

[(1, 291201325), (5, 58240265), (25, 11648053), (29, 10041425), (89, 3271925), (145, 2008285), (445, 654385), (725, 401657), (2225, 130877), (2581, 112825), (4513, 64525), (12905, 22565)]