66756872

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 155675520

約数和(自身を除く): 88918648

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 107, 182, 214, 364, 428, 728, 749, 856, 857, 1391, 1498, 1714, 2782, 2996, 3428, 5564, 5992, 5999, 6856, 9737, 11128, 11141, 11998, 19474, 22282, 23996, 38948, 44564, 47992, 77896, 77987, 89128, 91699, 155974, 183398, 311948, 366796, 623896, 641893, 733592, 1192087, 1283786, 2384174, 2567572, 4768348, 5135144, 8344609, 9536696, 16689218, 33378436, 66756872]

約数ペア:

[(1, 66756872), (2, 33378436), (4, 16689218), (7, 9536696), (8, 8344609), (13, 5135144), (14, 4768348), (26, 2567572), (28, 2384174), (52, 1283786), (56, 1192087), (91, 733592), (104, 641893), (107, 623896), (182, 366796), (214, 311948), (364, 183398), (428, 155974), (728, 91699), (749, 89128), (856, 77987), (857, 77896), (1391, 47992), (1498, 44564), (1714, 38948), (2782, 23996), (2996, 22282), (3428, 19474), (5564, 11998), (5992, 11141), (5999, 11128), (6856, 9737)]