816764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 1564080

約数和(自身を除く): 747316

約数列:

[1, 2, 4, 13, 26, 52, 113, 139, 226, 278, 452, 556, 1469, 1807, 2938, 3614, 5876, 7228, 15707, 31414, 62828, 204191, 408382, 816764]

約数ペア:

[(1, 816764), (2, 408382), (4, 204191), (13, 62828), (26, 31414), (52, 15707), (113, 7228), (139, 5876), (226, 3614), (278, 2938), (452, 1807), (556, 1469)]