128976995

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1993}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 181182816

約数和(自身を除く): 52205821

約数列:

[1, 5, 7, 35, 43, 215, 301, 1505, 1849, 1993, 9245, 9965, 12943, 13951, 64715, 69755, 85699, 428495, 599893, 2999465, 3685057, 18425285, 25795399, 128976995]

約数ペア:

[(1, 128976995), (5, 25795399), (7, 18425285), (35, 3685057), (43, 2999465), (215, 599893), (301, 428495), (1505, 85699), (1849, 69755), (1993, 64715), (9245, 13951), (9965, 12943)]