16640845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11131}}^1$

素因数の和:11172

約数の個数: 16

約数和(自身を含む): 22442112

約数和(自身を除く): 5801267

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 11131, 55655, 144703, 256013, 723515, 1280065, 3328169, 16640845]

約数ペア:

[(1, 16640845), (5, 3328169), (13, 1280065), (23, 723515), (65, 256013), (115, 144703), (299, 55655), (1495, 11131)]