28642093090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220323793}}^1$

素因数の和:220323813

約数の個数: 16

約数和(自身を含む): 55521596088

約数和(自身を除く): 26879502998

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220323793, 440647586, 1101618965, 2203237930, 2864209309, 5728418618, 14321046545, 28642093090]

約数ペア:

[(1, 28642093090), (2, 14321046545), (5, 5728418618), (10, 2864209309), (13, 2203237930), (26, 1101618965), (65, 440647586), (130, 220323793)]