28297416

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{433}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 81244800

約数和(自身を除く): 52947384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 389, 433, 778, 866, 1167, 1299, 1556, 1732, 2334, 2598, 2723, 3031, 3112, 3464, 4668, 5196, 5446, 6062, 8169, 9093, 9336, 10392, 10892, 12124, 16338, 18186, 21784, 24248, 32676, 36372, 65352, 72744, 168437, 336874, 505311, 673748, 1010622, 1179059, 1347496, 2021244, 2358118, 3537177, 4042488, 4716236, 7074354, 9432472, 14148708, 28297416]

約数ペア:

[(1, 28297416), (2, 14148708), (3, 9432472), (4, 7074354), (6, 4716236), (7, 4042488), (8, 3537177), (12, 2358118), (14, 2021244), (21, 1347496), (24, 1179059), (28, 1010622), (42, 673748), (56, 505311), (84, 336874), (168, 168437), (389, 72744), (433, 65352), (778, 36372), (866, 32676), (1167, 24248), (1299, 21784), (1556, 18186), (1732, 16338), (2334, 12124), (2598, 10892), (2723, 10392), (3031, 9336), (3112, 9093), (3464, 8169), (4668, 6062), (5196, 5446)]