208519652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{11587}}^1$

素因数の和:12011

約数の個数: 24

約数和(自身を含む): 399090720

約数和(自身を除く): 190571068

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1636, 4499, 8998, 11587, 17996, 23174, 46348, 127457, 254914, 509828, 4739083, 9478166, 18956332, 52129913, 104259826, 208519652]

約数ペア:

[(1, 208519652), (2, 104259826), (4, 52129913), (11, 18956332), (22, 9478166), (44, 4739083), (409, 509828), (818, 254914), (1636, 127457), (4499, 46348), (8998, 23174), (11587, 17996)]