489339985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{155593}}^1$

素因数の和:155652

約数の個数: 16

約数和(自身を含む): 638557776

約数和(自身を除く): 149217791

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 155593, 777965, 2645081, 5756941, 13225405, 28784705, 97867997, 489339985]

約数ペア:

[(1, 489339985), (5, 97867997), (17, 28784705), (37, 13225405), (85, 5756941), (185, 2645081), (629, 777965), (3145, 155593)]