280419722

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1\times {\mathrm{347}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 465791040

約数和(自身を除く): 185371318

約数列:

[1, 2, 11, 22, 109, 218, 337, 347, 674, 694, 1199, 2398, 3707, 3817, 7414, 7634, 36733, 37823, 73466, 75646, 116939, 233878, 404063, 416053, 808126, 832106, 1286329, 2572658, 12746351, 25492702, 140209861, 280419722]

約数ペア:

[(1, 280419722), (2, 140209861), (11, 25492702), (22, 12746351), (109, 2572658), (218, 1286329), (337, 832106), (347, 808126), (674, 416053), (694, 404063), (1199, 233878), (2398, 116939), (3707, 75646), (3817, 73466), (7414, 37823), (7634, 36733)]