81312128

素因数分解:

$2^7\times {\mathrm{635251}}^1$

素因数の和:635265

約数の個数: 16

約数和(自身を含む): 161989260

約数和(自身を除く): 80677132

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 635251, 1270502, 2541004, 5082008, 10164016, 20328032, 40656064, 81312128]

約数ペア:

[(1, 81312128), (2, 40656064), (4, 20328032), (8, 10164016), (16, 5082008), (32, 2541004), (64, 1270502), (128, 635251)]