1291296256

素因数分解:

$2^9\times {\mathrm{2522063}}^1$

素因数の和:2522081

約数の個数: 20

約数和(自身を含む): 2580071472

約数和(自身を除く): 1288775216

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 2522063, 5044126, 10088252, 20176504, 40353008, 80706016, 161412032, 322824064, 645648128, 1291296256]

約数ペア:

[(1, 1291296256), (2, 645648128), (4, 322824064), (8, 161412032), (16, 80706016), (32, 40353008), (64, 20176504), (128, 10088252), (256, 5044126), (512, 2522063)]