28004639

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{409}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 31684800

約数和(自身を除く): 3680161

約数列:

[1, 13, 23, 229, 299, 409, 2977, 5267, 5317, 9407, 68471, 93661, 122291, 1217593, 2154203, 28004639]

約数ペア:

[(1, 28004639), (13, 2154203), (23, 1217593), (229, 122291), (299, 93661), (409, 68471), (2977, 9407), (5267, 5317)]