641440548

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{5101}}^1$

素因数の和:5617

約数の個数: 72

約数和(自身を含む): 1857128000

約数和(自身を除く): 1215687452

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 499, 998, 1497, 1996, 2994, 3493, 4491, 5101, 5988, 6986, 8982, 10202, 10479, 13972, 15303, 17964, 20404, 20958, 30606, 31437, 35707, 41916, 45909, 61212, 62874, 71414, 91818, 107121, 125748, 142828, 183636, 214242, 321363, 428484, 642726, 1285452, 2545399, 5090798, 7636197, 10181596, 15272394, 17817793, 22908591, 30544788, 35635586, 45817182, 53453379, 71271172, 91634364, 106906758, 160360137, 213813516, 320720274, 641440548]

約数ペア:

[(1, 641440548), (2, 320720274), (3, 213813516), (4, 160360137), (6, 106906758), (7, 91634364), (9, 71271172), (12, 53453379), (14, 45817182), (18, 35635586), (21, 30544788), (28, 22908591), (36, 17817793), (42, 15272394), (63, 10181596), (84, 7636197), (126, 5090798), (252, 2545399), (499, 1285452), (998, 642726), (1497, 428484), (1996, 321363), (2994, 214242), (3493, 183636), (4491, 142828), (5101, 125748), (5988, 107121), (6986, 91818), (8982, 71414), (10202, 62874), (10479, 61212), (13972, 45909), (15303, 41916), (17964, 35707), (20404, 31437), (20958, 30606)]