31638275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 36

約数和(自身を含む): 43397520

約数和(自身を除く): 11759245

約数列:

[1, 5, 17, 25, 29, 85, 145, 151, 289, 425, 493, 725, 755, 1445, 2465, 2567, 3775, 4379, 7225, 8381, 12325, 12835, 21895, 41905, 43639, 64175, 74443, 109475, 209525, 218195, 372215, 1090975, 1265531, 1861075, 6327655, 31638275]

約数ペア:

[(1, 31638275), (5, 6327655), (17, 1861075), (25, 1265531), (29, 1090975), (85, 372215), (145, 218195), (151, 209525), (289, 109475), (425, 74443), (493, 64175), (725, 43639), (755, 41905), (1445, 21895), (2465, 12835), (2567, 12325), (3775, 8381), (4379, 7225)]