12781730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98321}}^1$

素因数の和:98341

約数の個数: 16

約数和(自身を含む): 24777144

約数和(自身を除く): 11995414

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 98321, 196642, 491605, 983210, 1278173, 2556346, 6390865, 12781730]

約数ペア:

[(1, 12781730), (2, 6390865), (5, 2556346), (10, 1278173), (13, 983210), (26, 491605), (65, 196642), (130, 98321)]