28421264

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{93491}}^1$

素因数の和:93518

約数の個数: 20

約数和(自身を含む): 57965040

約数和(自身を除く): 29543776

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 93491, 186982, 373964, 747928, 1495856, 1776329, 3552658, 7105316, 14210632, 28421264]

約数ペア:

[(1, 28421264), (2, 14210632), (4, 7105316), (8, 3552658), (16, 1776329), (19, 1495856), (38, 747928), (76, 373964), (152, 186982), (304, 93491)]