211799441

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 266976000

約数和(自身を除く): 55176559

約数列:

[1, 7, 19, 29, 89, 133, 203, 551, 617, 623, 1691, 2581, 3857, 4319, 11723, 11837, 17893, 18067, 49039, 54913, 82061, 125251, 339967, 343273, 384391, 1043347, 1592477, 2379769, 7303429, 11147339, 30257063, 211799441]

約数ペア:

[(1, 211799441), (7, 30257063), (19, 11147339), (29, 7303429), (89, 2379769), (133, 1592477), (203, 1043347), (551, 384391), (617, 343273), (623, 339967), (1691, 125251), (2581, 82061), (3857, 54913), (4319, 49039), (11723, 18067), (11837, 17893)]