189780388

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{218641}}^1$

素因数の和:218683

約数の個数: 24

約数和(自身を含む): 391806464

約数和(自身を除く): 202026076

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 218641, 437282, 874564, 1530487, 3060974, 6121948, 6777871, 13555742, 27111484, 47445097, 94890194, 189780388]

約数ペア:

[(1, 189780388), (2, 94890194), (4, 47445097), (7, 27111484), (14, 13555742), (28, 6777871), (31, 6121948), (62, 3060974), (124, 1530487), (217, 874564), (434, 437282), (868, 218641)]