149980964

素因数分解:

$2^2\times 7^2\times {\mathrm{765209}}^1$

素因数の和:765227

約数の個数: 18

約数和(自身を含む): 305318790

約数和(自身を除く): 155337826

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 765209, 1530418, 3060836, 5356463, 10712926, 21425852, 37495241, 74990482, 149980964]

約数ペア:

[(1, 149980964), (2, 74990482), (4, 37495241), (7, 21425852), (14, 10712926), (28, 5356463), (49, 3060836), (98, 1530418), (196, 765209)]