989127065

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{15919}}^1$

素因数の和:16001

約数の個数: 24

約数和(自身を含む): 1290284160

約数和(自身を除く): 301157095

約数列:

[1, 5, 17, 43, 85, 215, 289, 731, 1445, 3655, 12427, 15919, 62135, 79595, 270623, 684517, 1353115, 3422585, 4600591, 11636789, 23002955, 58183945, 197825413, 989127065]

約数ペア:

[(1, 989127065), (5, 197825413), (17, 58183945), (43, 23002955), (85, 11636789), (215, 4600591), (289, 3422585), (731, 1353115), (1445, 684517), (3655, 270623), (12427, 79595), (15919, 62135)]