28537210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{219517}}^1$

素因数の和:219537

約数の個数: 16

約数和(自身を含む): 55318536

約数和(自身を除く): 26781326

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 219517, 439034, 1097585, 2195170, 2853721, 5707442, 14268605, 28537210]

約数ペア:

[(1, 28537210), (2, 14268605), (5, 5707442), (10, 2853721), (13, 2195170), (26, 1097585), (65, 439034), (130, 219517)]