31191490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2753}}^1$

素因数の和:2874

約数の個数: 32

約数和(自身を含む): 61865856

約数和(自身を除く): 30674366

約数列:

[1, 2, 5, 10, 11, 22, 55, 103, 110, 206, 515, 1030, 1133, 2266, 2753, 5506, 5665, 11330, 13765, 27530, 30283, 60566, 151415, 283559, 302830, 567118, 1417795, 2835590, 3119149, 6238298, 15595745, 31191490]

約数ペア:

[(1, 31191490), (2, 15595745), (5, 6238298), (10, 3119149), (11, 2835590), (22, 1417795), (55, 567118), (103, 302830), (110, 283559), (206, 151415), (515, 60566), (1030, 30283), (1133, 27530), (2266, 13765), (2753, 11330), (5506, 5665)]