205514270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{4987}}^1$

素因数の和:5324

約数の個数: 32

約数和(自身を含む): 399718368

約数和(自身を除く): 194204098

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 317, 634, 1585, 3170, 4121, 4987, 8242, 9974, 20605, 24935, 41210, 49870, 64831, 129662, 324155, 648310, 1580879, 3161758, 7904395, 15808790, 20551427, 41102854, 102757135, 205514270]

約数ペア:

[(1, 205514270), (2, 102757135), (5, 41102854), (10, 20551427), (13, 15808790), (26, 7904395), (65, 3161758), (130, 1580879), (317, 648310), (634, 324155), (1585, 129662), (3170, 64831), (4121, 49870), (4987, 41210), (8242, 24935), (9974, 20605)]