207921670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{2131}}^1$

素因数の和:3036

約数の個数: 32

約数和(自身を含む): 408934656

約数和(自身を除く): 201012986

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 887, 1774, 2131, 4262, 4435, 8870, 9757, 10655, 19514, 21310, 23441, 46882, 48785, 97570, 117205, 234410, 1890197, 3780394, 9450985, 18901970, 20792167, 41584334, 103960835, 207921670]

約数ペア:

[(1, 207921670), (2, 103960835), (5, 41584334), (10, 20792167), (11, 18901970), (22, 9450985), (55, 3780394), (110, 1890197), (887, 234410), (1774, 117205), (2131, 97570), (4262, 48785), (4435, 46882), (8870, 23441), (9757, 21310), (10655, 19514)]