278138878

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{28621}}^1$

素因数の和:28779

約数の個数: 16

約数和(自身を含む): 430703856

約数和(自身を除く): 152564978

約数列:

[1, 2, 43, 86, 113, 226, 4859, 9718, 28621, 57242, 1230703, 2461406, 3234173, 6468346, 139069439, 278138878]

約数ペア:

[(1, 278138878), (2, 139069439), (43, 6468346), (86, 3234173), (113, 2461406), (226, 1230703), (4859, 57242), (9718, 28621)]