81562964

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{100447}}^1$

素因数の和:100487

約数の個数: 24

約数和(自身を含む): 168752640

約数和(自身を除く): 87189676

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 100447, 200894, 401788, 703129, 1406258, 2812516, 2912963, 5825926, 11651852, 20390741, 40781482, 81562964]

約数ペア:

[(1, 81562964), (2, 40781482), (4, 20390741), (7, 11651852), (14, 5825926), (28, 2912963), (29, 2812516), (58, 1406258), (116, 703129), (203, 401788), (406, 200894), (812, 100447)]