217426768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1045321}}^1$

素因数の和:1045342

約数の個数: 20

約数和(自身を含む): 453669748

約数和(自身を除く): 236242980

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1045321, 2090642, 4181284, 8362568, 13589173, 16725136, 27178346, 54356692, 108713384, 217426768]

約数ペア:

[(1, 217426768), (2, 108713384), (4, 54356692), (8, 27178346), (13, 16725136), (16, 13589173), (26, 8362568), (52, 4181284), (104, 2090642), (208, 1045321)]