211687570

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{1453}}^1$

素因数の和:2334

約数の個数: 32

約数和(自身を含む): 404200368

約数和(自身を除く): 192512798

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 857, 1453, 1714, 2906, 4285, 7265, 8570, 14530, 14569, 24701, 29138, 49402, 72845, 123505, 145690, 247010, 1245221, 2490442, 6226105, 12452210, 21168757, 42337514, 105843785, 211687570]

約数ペア:

[(1, 211687570), (2, 105843785), (5, 42337514), (10, 21168757), (17, 12452210), (34, 6226105), (85, 2490442), (170, 1245221), (857, 247010), (1453, 145690), (1714, 123505), (2906, 72845), (4285, 49402), (7265, 29138), (8570, 24701), (14530, 14569)]