64949296

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{213649}}^1$

素因数の和:213676

約数の個数: 20

約数和(自身を含む): 132463000

約数和(自身を除く): 67513704

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 213649, 427298, 854596, 1709192, 3418384, 4059331, 8118662, 16237324, 32474648, 64949296]

約数ペア:

[(1, 64949296), (2, 32474648), (4, 16237324), (8, 8118662), (16, 4059331), (19, 3418384), (38, 1709192), (76, 854596), (152, 427298), (304, 213649)]