8971690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9859}}^1$

素因数の和:9886

約数の個数: 32

約数和(自身を含む): 19877760

約数和(自身を除く): 10906070

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 9859, 19718, 49295, 69013, 98590, 128167, 138026, 256334, 345065, 640835, 690130, 897169, 1281670, 1794338, 4485845, 8971690]

約数ペア:

[(1, 8971690), (2, 4485845), (5, 1794338), (7, 1281670), (10, 897169), (13, 690130), (14, 640835), (26, 345065), (35, 256334), (65, 138026), (70, 128167), (91, 98590), (130, 69013), (182, 49295), (455, 19718), (910, 9859)]