66271780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{194917}}^1$

素因数の和:194943

約数の個数: 24

約数和(自身を含む): 147358008

約数和(自身を除く): 81086228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 194917, 389834, 779668, 974585, 1949170, 3313589, 3898340, 6627178, 13254356, 16567945, 33135890, 66271780]

約数ペア:

[(1, 66271780), (2, 33135890), (4, 16567945), (5, 13254356), (10, 6627178), (17, 3898340), (20, 3313589), (34, 1949170), (68, 974585), (85, 779668), (170, 389834), (340, 194917)]