287876988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{11777}}^1$

素因数の和:11891

約数の個数: 72

約数和(自身を含む): 840289632

約数和(自身を除く): 552412644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 97, 126, 194, 252, 291, 388, 582, 679, 873, 1164, 1358, 1746, 2037, 2716, 3492, 4074, 6111, 8148, 11777, 12222, 23554, 24444, 35331, 47108, 70662, 82439, 105993, 141324, 164878, 211986, 247317, 329756, 423972, 494634, 741951, 989268, 1142369, 1483902, 2284738, 2967804, 3427107, 4569476, 6854214, 7996583, 10281321, 13708428, 15993166, 20562642, 23989749, 31986332, 41125284, 47979498, 71969247, 95958996, 143938494, 287876988]

約数ペア:

[(1, 287876988), (2, 143938494), (3, 95958996), (4, 71969247), (6, 47979498), (7, 41125284), (9, 31986332), (12, 23989749), (14, 20562642), (18, 15993166), (21, 13708428), (28, 10281321), (36, 7996583), (42, 6854214), (63, 4569476), (84, 3427107), (97, 2967804), (126, 2284738), (194, 1483902), (252, 1142369), (291, 989268), (388, 741951), (582, 494634), (679, 423972), (873, 329756), (1164, 247317), (1358, 211986), (1746, 164878), (2037, 141324), (2716, 105993), (3492, 82439), (4074, 70662), (6111, 47108), (8148, 35331), (11777, 24444), (12222, 23554)]