280868434

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{17707}}^1$

素因数の和:17830

約数の個数: 32

約数和(自身を含む): 530390016

約数和(自身を除く): 249521582

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 154, 206, 721, 1133, 1442, 2266, 7931, 15862, 17707, 35414, 123949, 194777, 247898, 389554, 1363439, 1823821, 2726878, 3647642, 12766747, 20062031, 25533494, 40124062, 140434217, 280868434]

約数ペア:

[(1, 280868434), (2, 140434217), (7, 40124062), (11, 25533494), (14, 20062031), (22, 12766747), (77, 3647642), (103, 2726878), (154, 1823821), (206, 1363439), (721, 389554), (1133, 247898), (1442, 194777), (2266, 123949), (7931, 35414), (15862, 17707)]