138888568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1783}}^1$

素因数の和:1916

約数の個数: 64

約数和(自身を含む): 323688960

約数和(自身を除く): 184800392

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 107, 182, 214, 364, 428, 728, 749, 856, 1391, 1498, 1783, 2782, 2996, 3566, 5564, 5992, 7132, 9737, 11128, 12481, 14264, 19474, 23179, 24962, 38948, 46358, 49924, 77896, 92716, 99848, 162253, 185432, 190781, 324506, 381562, 649012, 763124, 1298024, 1335467, 1526248, 2480153, 2670934, 4960306, 5341868, 9920612, 10683736, 17361071, 19841224, 34722142, 69444284, 138888568]

約数ペア:

[(1, 138888568), (2, 69444284), (4, 34722142), (7, 19841224), (8, 17361071), (13, 10683736), (14, 9920612), (26, 5341868), (28, 4960306), (52, 2670934), (56, 2480153), (91, 1526248), (104, 1335467), (107, 1298024), (182, 763124), (214, 649012), (364, 381562), (428, 324506), (728, 190781), (749, 185432), (856, 162253), (1391, 99848), (1498, 92716), (1783, 77896), (2782, 49924), (2996, 46358), (3566, 38948), (5564, 24962), (5992, 23179), (7132, 19474), (9737, 14264), (11128, 12481)]