3991664

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{787}}^1$

素因数の和:1112

約数の個数: 20

約数和(自身を含む): 7768104

約数和(自身を除く): 3776440

約数列:

[1, 2, 4, 8, 16, 317, 634, 787, 1268, 1574, 2536, 3148, 5072, 6296, 12592, 249479, 498958, 997916, 1995832, 3991664]

約数ペア:

[(1, 3991664), (2, 1995832), (4, 997916), (8, 498958), (16, 249479), (317, 12592), (634, 6296), (787, 5072), (1268, 3148), (1574, 2536)]