28952690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222713}}^1$

素因数の和:222733

約数の個数: 16

約数和(自身を含む): 56123928

約数和(自身を除く): 27171238

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222713, 445426, 1113565, 2227130, 2895269, 5790538, 14476345, 28952690]

約数ペア:

[(1, 28952690), (2, 14476345), (5, 5790538), (10, 2895269), (13, 2227130), (26, 1113565), (65, 445426), (130, 222713)]