28421316

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10253}}^1$

素因数の和:10281

約数の個数: 72

約数和(自身を含む): 89578944

約数和(自身を除く): 61157628

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 10253, 20506, 30759, 41012, 61518, 71771, 92277, 112783, 123036, 143542, 184554, 215313, 225566, 287084, 338349, 369108, 430626, 451132, 645939, 676698, 789481, 861252, 1015047, 1291878, 1353396, 1578962, 2030094, 2368443, 2583756, 3157924, 4060188, 4736886, 7105329, 9473772, 14210658, 28421316]

約数ペア:

[(1, 28421316), (2, 14210658), (3, 9473772), (4, 7105329), (6, 4736886), (7, 4060188), (9, 3157924), (11, 2583756), (12, 2368443), (14, 2030094), (18, 1578962), (21, 1353396), (22, 1291878), (28, 1015047), (33, 861252), (36, 789481), (42, 676698), (44, 645939), (63, 451132), (66, 430626), (77, 369108), (84, 338349), (99, 287084), (126, 225566), (132, 215313), (154, 184554), (198, 143542), (231, 123036), (252, 112783), (308, 92277), (396, 71771), (462, 61518), (693, 41012), (924, 30759), (1386, 20506), (2772, 10253)]