28711376

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26783}}^1$

素因数の和:26858

約数の個数: 20

約数和(自身を含む): 56460672

約数和(自身を除く): 27749296

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26783, 53566, 107132, 214264, 428528, 1794461, 3588922, 7177844, 14355688, 28711376]

約数ペア:

[(1, 28711376), (2, 14355688), (4, 7177844), (8, 3588922), (16, 1794461), (67, 428528), (134, 214264), (268, 107132), (536, 53566), (1072, 26783)]