28752139

素因数分解:

${\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:631

約数の個数: 16

約数和(自身を含む): 32558400

約数和(自身を除く): 3806261

約数列:

[1, 13, 23, 169, 299, 569, 2197, 3887, 7397, 13087, 50531, 96161, 170131, 1250093, 2211703, 28752139]

約数ペア:

[(1, 28752139), (13, 2211703), (23, 1250093), (169, 170131), (299, 96161), (569, 50531), (2197, 13087), (3887, 7397)]