28915510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1$

素因数の和:1008

約数の個数: 32

約数和(自身を含む): 56300832

約数和(自身を除く): 27385322

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 347, 641, 694, 1282, 1735, 3205, 3470, 4511, 6410, 8333, 9022, 16666, 22555, 41665, 45110, 83330, 222427, 444854, 1112135, 2224270, 2891551, 5783102, 14457755, 28915510]

約数ペア:

[(1, 28915510), (2, 14457755), (5, 5783102), (10, 2891551), (13, 2224270), (26, 1112135), (65, 444854), (130, 222427), (347, 83330), (641, 45110), (694, 41665), (1282, 22555), (1735, 16666), (3205, 9022), (3470, 8333), (4511, 6410)]