131406260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{386489}}^1$

素因数の和:386515

約数の個数: 24

約数和(自身を含む): 292186440

約数和(自身を除く): 160780180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 386489, 772978, 1545956, 1932445, 3864890, 6570313, 7729780, 13140626, 26281252, 32851565, 65703130, 131406260]

約数ペア:

[(1, 131406260), (2, 65703130), (4, 32851565), (5, 26281252), (10, 13140626), (17, 7729780), (20, 6570313), (34, 3864890), (68, 1932445), (85, 1545956), (170, 772978), (340, 386489)]