1288654328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{652153}}^1$

素因数の和:652191

約数の個数: 32

約数和(自身を含む): 2739046800

約数和(自身を除く): 1450392472

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 652153, 1304306, 2608612, 5217224, 8477989, 12390907, 16955978, 24781814, 33911956, 49563628, 67823912, 99127256, 161081791, 322163582, 644327164, 1288654328]

約数ペア:

[(1, 1288654328), (2, 644327164), (4, 322163582), (8, 161081791), (13, 99127256), (19, 67823912), (26, 49563628), (38, 33911956), (52, 24781814), (76, 16955978), (104, 12390907), (152, 8477989), (247, 5217224), (494, 2608612), (988, 1304306), (1976, 652153)]