338838890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1\times {\mathrm{3527}}^1$

素因数の和:4286

約数の個数: 32

約数和(自身を含む): 657901440

約数和(自身を除く): 319062550

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 739, 1478, 3527, 3695, 7054, 7390, 9607, 17635, 19214, 35270, 45851, 48035, 91702, 96070, 229255, 458510, 2606453, 5212906, 13032265, 26064530, 33883889, 67767778, 169419445, 338838890]

約数ペア:

[(1, 338838890), (2, 169419445), (5, 67767778), (10, 33883889), (13, 26064530), (26, 13032265), (65, 5212906), (130, 2606453), (739, 458510), (1478, 229255), (3527, 96070), (3695, 91702), (7054, 48035), (7390, 45851), (9607, 35270), (17635, 19214)]