689835546

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{27631}}^1$

素因数の和:27731

約数の個数: 48

約数和(自身を含む): 1594919040

約数和(自身を除く): 905083494

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 73, 114, 146, 171, 219, 342, 438, 657, 1314, 1387, 2774, 4161, 8322, 12483, 24966, 27631, 55262, 82893, 165786, 248679, 497358, 524989, 1049978, 1574967, 2017063, 3149934, 4034126, 4724901, 6051189, 9449802, 12102378, 18153567, 36307134, 38324197, 76648394, 114972591, 229945182, 344917773, 689835546]

約数ペア:

[(1, 689835546), (2, 344917773), (3, 229945182), (6, 114972591), (9, 76648394), (18, 38324197), (19, 36307134), (38, 18153567), (57, 12102378), (73, 9449802), (114, 6051189), (146, 4724901), (171, 4034126), (219, 3149934), (342, 2017063), (438, 1574967), (657, 1049978), (1314, 524989), (1387, 497358), (2774, 248679), (4161, 165786), (8322, 82893), (12483, 55262), (24966, 27631)]