1221358540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3592231}}^1$

素因数の和:3592257

約数の個数: 24

約数和(自身を含む): 2715727392

約数和(自身を除く): 1494368852

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3592231, 7184462, 14368924, 17961155, 35922310, 61067927, 71844620, 122135854, 244271708, 305339635, 610679270, 1221358540]

約数ペア:

[(1, 1221358540), (2, 610679270), (4, 305339635), (5, 244271708), (10, 122135854), (17, 71844620), (20, 61067927), (34, 35922310), (68, 17961155), (85, 14368924), (170, 7184462), (340, 3592231)]