128436230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{987971}}^1$

素因数の和:987991

約数の個数: 16

約数和(自身を含む): 248968944

約数和(自身を除く): 120532714

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 987971, 1975942, 4939855, 9879710, 12843623, 25687246, 64218115, 128436230]

約数ペア:

[(1, 128436230), (2, 64218115), (5, 25687246), (10, 12843623), (13, 9879710), (26, 4939855), (65, 1975942), (130, 987971)]