253721984

素因数分解:

$2^7\times {\mathrm{1982203}}^1$

素因数の和:1982217

約数の個数: 16

約数和(自身を含む): 505462020

約数和(自身を除く): 251740036

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1982203, 3964406, 7928812, 15857624, 31715248, 63430496, 126860992, 253721984]

約数ペア:

[(1, 253721984), (2, 126860992), (4, 63430496), (8, 31715248), (16, 15857624), (32, 7928812), (64, 3964406), (128, 1982203)]