256424392

素因数分解:

$2^3\times 7^1\times {\mathrm{4579007}}^1$

素因数の和:4579020

約数の個数: 16

約数和(自身を含む): 549480960

約数和(自身を除く): 293056568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 4579007, 9158014, 18316028, 32053049, 36632056, 64106098, 128212196, 256424392]

約数ペア:

[(1, 256424392), (2, 128212196), (4, 64106098), (7, 36632056), (8, 32053049), (14, 18316028), (28, 9158014), (56, 4579007)]