1287979476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{215959}}^1$

素因数の和:216044

約数の個数: 48

約数和(自身を含む): 3483002880

約数和(自身を除く): 2195023404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 5964, 215959, 431918, 647877, 863836, 1295754, 1511713, 2591508, 3023426, 4535139, 6046852, 9070278, 15333089, 18140556, 30666178, 45999267, 61332356, 91998534, 107331623, 183997068, 214663246, 321994869, 429326492, 643989738, 1287979476]

約数ペア:

[(1, 1287979476), (2, 643989738), (3, 429326492), (4, 321994869), (6, 214663246), (7, 183997068), (12, 107331623), (14, 91998534), (21, 61332356), (28, 45999267), (42, 30666178), (71, 18140556), (84, 15333089), (142, 9070278), (213, 6046852), (284, 4535139), (426, 3023426), (497, 2591508), (852, 1511713), (994, 1295754), (1491, 863836), (1988, 647877), (2982, 431918), (5964, 215959)]