81231176

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{781069}}^1$

素因数の和:781088

約数の個数: 16

約数和(自身を含む): 164024700

約数和(自身を除く): 82793524

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 781069, 1562138, 3124276, 6248552, 10153897, 20307794, 40615588, 81231176]

約数ペア:

[(1, 81231176), (2, 40615588), (4, 20307794), (8, 10153897), (13, 6248552), (26, 3124276), (52, 1562138), (104, 781069)]