28723490

素因数分解:

$2^1\times 5^1\times {\mathrm{1669}}^1\times {\mathrm{1721}}^1$

素因数の和:3397

約数の個数: 16

約数和(自身を含む): 51763320

約数和(自身を除く): 23039830

約数列:

[1, 2, 5, 10, 1669, 1721, 3338, 3442, 8345, 8605, 16690, 17210, 2872349, 5744698, 14361745, 28723490]

約数ペア:

[(1, 28723490), (2, 14361745), (5, 5744698), (10, 2872349), (1669, 17210), (1721, 16690), (3338, 8605), (3442, 8345)]