68928990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{176741}}^1$

素因数の和:176764

約数の個数: 32

約数和(自身を含む): 178155936

約数和(自身を除く): 109226946

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 176741, 353482, 530223, 883705, 1060446, 1767410, 2297633, 2651115, 4595266, 5302230, 6892899, 11488165, 13785798, 22976330, 34464495, 68928990]

約数ペア:

[(1, 68928990), (2, 34464495), (3, 22976330), (5, 13785798), (6, 11488165), (10, 6892899), (13, 5302230), (15, 4595266), (26, 2651115), (30, 2297633), (39, 1767410), (65, 1060446), (78, 883705), (130, 530223), (195, 353482), (390, 176741)]