81544710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209089}}^1$

素因数の和:209112

約数の個数: 32

約数和(自身を含む): 210762720

約数和(自身を除く): 129218010

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 209089, 418178, 627267, 1045445, 1254534, 2090890, 2718157, 3136335, 5436314, 6272670, 8154471, 13590785, 16308942, 27181570, 40772355, 81544710]

約数ペア:

[(1, 81544710), (2, 40772355), (3, 27181570), (5, 16308942), (6, 13590785), (10, 8154471), (13, 6272670), (15, 5436314), (26, 3136335), (30, 2718157), (39, 2090890), (65, 1254534), (78, 1045445), (130, 627267), (195, 418178), (390, 209089)]