218971564

素因数分解:

$2^2\times 7^1\times {\mathrm{433}}^1\times {\mathrm{18061}}^1$

素因数の和:18505

約数の個数: 24

約数和(自身を含む): 438978848

約数和(自身を除く): 220007284

約数列:

[1, 2, 4, 7, 14, 28, 433, 866, 1732, 3031, 6062, 12124, 18061, 36122, 72244, 126427, 252854, 505708, 7820413, 15640826, 31281652, 54742891, 109485782, 218971564]

約数ペア:

[(1, 218971564), (2, 109485782), (4, 54742891), (7, 31281652), (14, 15640826), (28, 7820413), (433, 505708), (866, 252854), (1732, 126427), (3031, 72244), (6062, 36122), (12124, 18061)]