1987213683

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 3331786752

約数和(自身を除く): 1344573069

約数列:

[1, 3, 7, 13, 21, 39, 91, 97, 101, 273, 291, 303, 679, 707, 743, 1261, 1313, 2037, 2121, 2229, 3783, 3939, 5201, 8827, 9191, 9659, 9797, 15603, 26481, 27573, 28977, 29391, 67613, 68579, 72071, 75043, 127361, 202839, 205737, 216213, 225129, 382083, 504497, 525301, 891527, 936923, 975559, 1513491, 1575903, 2674581, 2810769, 2926677, 6558461, 6828913, 7279171, 19675383, 20486739, 21837513, 50954197, 94629223, 152862591, 283887669, 662404561, 1987213683]

約数ペア:

[(1, 1987213683), (3, 662404561), (7, 283887669), (13, 152862591), (21, 94629223), (39, 50954197), (91, 21837513), (97, 20486739), (101, 19675383), (273, 7279171), (291, 6828913), (303, 6558461), (679, 2926677), (707, 2810769), (743, 2674581), (1261, 1575903), (1313, 1513491), (2037, 975559), (2121, 936923), (2229, 891527), (3783, 525301), (3939, 504497), (5201, 382083), (8827, 225129), (9191, 216213), (9659, 205737), (9797, 202839), (15603, 127361), (26481, 75043), (27573, 72071), (28977, 68579), (29391, 67613)]