81985216

素因数分解:

$2^6\times {\mathrm{491}}^1\times {\mathrm{2609}}^1$

素因数の和:3112

約数の個数: 28

約数和(自身を含む): 163083240

約数和(自身を除く): 81098024

約数列:

[1, 2, 4, 8, 16, 32, 64, 491, 982, 1964, 2609, 3928, 5218, 7856, 10436, 15712, 20872, 31424, 41744, 83488, 166976, 1281019, 2562038, 5124076, 10248152, 20496304, 40992608, 81985216]

約数ペア:

[(1, 81985216), (2, 40992608), (4, 20496304), (8, 10248152), (16, 5124076), (32, 2562038), (64, 1281019), (491, 166976), (982, 83488), (1964, 41744), (2609, 31424), (3928, 20872), (5218, 15712), (7856, 10436)]