631589252

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 1278963840

約数和(自身を除く): 647374588

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 409, 421, 524, 818, 842, 917, 1636, 1684, 1834, 2863, 2947, 3668, 5726, 5894, 11452, 11788, 53579, 55151, 107158, 110302, 172189, 214316, 220604, 344378, 375053, 386057, 688756, 750106, 772114, 1205323, 1500212, 1544228, 2410646, 4821292, 22556759, 45113518, 90227036, 157897313, 315794626, 631589252]

約数ペア:

[(1, 631589252), (2, 315794626), (4, 157897313), (7, 90227036), (14, 45113518), (28, 22556759), (131, 4821292), (262, 2410646), (409, 1544228), (421, 1500212), (524, 1205323), (818, 772114), (842, 750106), (917, 688756), (1636, 386057), (1684, 375053), (1834, 344378), (2863, 220604), (2947, 214316), (3668, 172189), (5726, 110302), (5894, 107158), (11452, 55151), (11788, 53579)]