66281710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1549}}^1$

素因数の和:1956

約数の個数: 32

約数和(自身を含む): 130572000

約数和(自身を除く): 64290290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1549, 1945, 3098, 3890, 4279, 7745, 8558, 15490, 17039, 21395, 34078, 42790, 85195, 170390, 602561, 1205122, 3012805, 6025610, 6628171, 13256342, 33140855, 66281710]

約数ペア:

[(1, 66281710), (2, 33140855), (5, 13256342), (10, 6628171), (11, 6025610), (22, 3012805), (55, 1205122), (110, 602561), (389, 170390), (778, 85195), (1549, 42790), (1945, 34078), (3098, 21395), (3890, 17039), (4279, 15490), (7745, 8558)]