128793990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{330241}}^1$

素因数の和:330264

約数の個数: 32

約数和(自身を含む): 332883936

約数和(自身を除く): 204089946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 330241, 660482, 990723, 1651205, 1981446, 3302410, 4293133, 4953615, 8586266, 9907230, 12879399, 21465665, 25758798, 42931330, 64396995, 128793990]

約数ペア:

[(1, 128793990), (2, 64396995), (3, 42931330), (5, 25758798), (6, 21465665), (10, 12879399), (13, 9907230), (15, 8586266), (26, 4953615), (30, 4293133), (39, 3302410), (65, 1981446), (78, 1651205), (130, 990723), (195, 660482), (390, 330241)]