218717008

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{257921}}^1$

素因数の和:257982

約数の個数: 20

約数和(自身を含む): 431761428

約数和(自身を除く): 213044420

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 257921, 515842, 1031684, 2063368, 4126736, 13669813, 27339626, 54679252, 109358504, 218717008]

約数ペア:

[(1, 218717008), (2, 109358504), (4, 54679252), (8, 27339626), (16, 13669813), (53, 4126736), (106, 2063368), (212, 1031684), (424, 515842), (848, 257921)]