214928816

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{123239}}^1$

素因数の和:123356

約数の個数: 20

約数和(自身を含む): 420248400

約数和(自身を除く): 205319584

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 123239, 246478, 492956, 985912, 1971824, 13433051, 26866102, 53732204, 107464408, 214928816]

約数ペア:

[(1, 214928816), (2, 107464408), (4, 53732204), (8, 26866102), (16, 13433051), (109, 1971824), (218, 985912), (436, 492956), (872, 246478), (1744, 123239)]