990908504

素因数分解:

$2^3\times {\mathrm{809}}^1\times {\mathrm{153107}}^1$

素因数の和:153922

約数の個数: 16

約数和(自身を含む): 1860262200

約数和(自身を除く): 869353696

約数列:

[1, 2, 4, 8, 809, 1618, 3236, 6472, 153107, 306214, 612428, 1224856, 123863563, 247727126, 495454252, 990908504]

約数ペア:

[(1, 990908504), (2, 495454252), (4, 247727126), (8, 123863563), (809, 1224856), (1618, 612428), (3236, 306214), (6472, 153107)]