1581006959

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1\times {\mathrm{3917}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 1906655520

約数和(自身を除く): 325648561

約数列:

[1, 7, 23, 109, 161, 529, 763, 2507, 3703, 3917, 17549, 27419, 57661, 90091, 403627, 426953, 630637, 2072093, 2988671, 9819919, 14504651, 68739433, 225858137, 1581006959]

約数ペア:

[(1, 1581006959), (7, 225858137), (23, 68739433), (109, 14504651), (161, 9819919), (529, 2988671), (763, 2072093), (2507, 630637), (3703, 426953), (3917, 403627), (17549, 90091), (27419, 57661)]