81645416

素因数分解:

$2^3\times {\mathrm{953}}^1\times {\mathrm{10709}}^1$

素因数の和:11668

約数の個数: 16

約数和(自身を含む): 153260100

約数和(自身を除く): 71614684

約数列:

[1, 2, 4, 8, 953, 1906, 3812, 7624, 10709, 21418, 42836, 85672, 10205677, 20411354, 40822708, 81645416]

約数ペア:

[(1, 81645416), (2, 40822708), (4, 20411354), (8, 10205677), (953, 85672), (1906, 42836), (3812, 21418), (7624, 10709)]