28378786

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1\times {\mathrm{509}}^1$

素因数の和:1029

約数の個数: 16

約数和(自身を含む): 43445880

約数和(自身を除く): 15067094

約数列:

[1, 2, 61, 122, 457, 509, 914, 1018, 27877, 31049, 55754, 62098, 232613, 465226, 14189393, 28378786]

約数ペア:

[(1, 28378786), (2, 14189393), (61, 465226), (122, 232613), (457, 62098), (509, 55754), (914, 31049), (1018, 27877)]