287385332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{17657}}^1$

素因数の和:17987

約数の個数: 24

約数和(自身を含む): 543371976

約数和(自身を除く): 255986644

約数列:

[1, 2, 4, 13, 26, 52, 313, 626, 1252, 4069, 8138, 16276, 17657, 35314, 70628, 229541, 459082, 918164, 5526641, 11053282, 22106564, 71846333, 143692666, 287385332]

約数ペア:

[(1, 287385332), (2, 143692666), (4, 71846333), (13, 22106564), (26, 11053282), (52, 5526641), (313, 918164), (626, 459082), (1252, 229541), (4069, 70628), (8138, 35314), (16276, 17657)]