133907980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{393847}}^1$

素因数の和:393873

約数の個数: 24

約数和(自身を含む): 297749088

約数和(自身を除く): 163841108

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 393847, 787694, 1575388, 1969235, 3938470, 6695399, 7876940, 13390798, 26781596, 33476995, 66953990, 133907980]

約数ペア:

[(1, 133907980), (2, 66953990), (4, 33476995), (5, 26781596), (10, 13390798), (17, 7876940), (20, 6695399), (34, 3938470), (68, 1969235), (85, 1575388), (170, 787694), (340, 393847)]