66738940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{196291}}^1$

素因数の和:196317

約数の個数: 24

約数和(自身を含む): 148396752

約数和(自身を除く): 81657812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 196291, 392582, 785164, 981455, 1962910, 3336947, 3925820, 6673894, 13347788, 16684735, 33369470, 66738940]

約数ペア:

[(1, 66738940), (2, 33369470), (4, 16684735), (5, 13347788), (10, 6673894), (17, 3925820), (20, 3336947), (34, 1962910), (68, 981455), (85, 785164), (170, 392582), (340, 196291)]