217445488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1045411}}^1$

素因数の和:1045432

約数の個数: 20

約数和(自身を含む): 453708808

約数和(自身を除く): 236263320

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1045411, 2090822, 4181644, 8363288, 13590343, 16726576, 27180686, 54361372, 108722744, 217445488]

約数ペア:

[(1, 217445488), (2, 108722744), (4, 54361372), (8, 27180686), (13, 16726576), (16, 13590343), (26, 8363288), (52, 4181644), (104, 2090822), (208, 1045411)]