2243389744

素因数分解:

$2^4\times {\mathrm{1999}}^1\times {\mathrm{70141}}^1$

素因数の和:72148

約数の個数: 20

約数和(自身を含む): 4348804000

約数和(自身を除く): 2105414256

約数列:

[1, 2, 4, 8, 16, 1999, 3998, 7996, 15992, 31984, 70141, 140282, 280564, 561128, 1122256, 140211859, 280423718, 560847436, 1121694872, 2243389744]

約数ペア:

[(1, 2243389744), (2, 1121694872), (4, 560847436), (8, 280423718), (16, 140211859), (1999, 1122256), (3998, 561128), (7996, 280564), (15992, 140282), (31984, 70141)]