81429535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2687}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 116121600

約数和(自身を除く): 34692065

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 1045, 1595, 2687, 2755, 6061, 13435, 29557, 30305, 51053, 77923, 147785, 255265, 389615, 561583, 857153, 1480537, 2807915, 4285765, 7402685, 16285907, 81429535]

約数ペア:

[(1, 81429535), (5, 16285907), (11, 7402685), (19, 4285765), (29, 2807915), (55, 1480537), (95, 857153), (145, 561583), (209, 389615), (319, 255265), (551, 147785), (1045, 77923), (1595, 51053), (2687, 30305), (2755, 29557), (6061, 13435)]