261268218

素因数分解:

$2^1\times 3^2\times {\mathrm{211}}^1\times {\mathrm{68791}}^1$

素因数の和:69010

約数の個数: 24

約数和(自身を含む): 568772256

約数和(自身を除く): 307504038

約数列:

[1, 2, 3, 6, 9, 18, 211, 422, 633, 1266, 1899, 3798, 68791, 137582, 206373, 412746, 619119, 1238238, 14514901, 29029802, 43544703, 87089406, 130634109, 261268218]

約数ペア:

[(1, 261268218), (2, 130634109), (3, 87089406), (6, 43544703), (9, 29029802), (18, 14514901), (211, 1238238), (422, 619119), (633, 412746), (1266, 206373), (1899, 137582), (3798, 68791)]