72331818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 162715392

約数和(自身を除く): 90383574

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 71, 74, 78, 111, 142, 213, 222, 353, 426, 481, 706, 923, 962, 1059, 1443, 1846, 2118, 2627, 2769, 2886, 4589, 5254, 5538, 7881, 9178, 13061, 13767, 15762, 25063, 26122, 27534, 34151, 39183, 50126, 68302, 75189, 78366, 102453, 150378, 169793, 204906, 325819, 339586, 509379, 651638, 927331, 977457, 1018758, 1854662, 1954914, 2781993, 5563986, 12055303, 24110606, 36165909, 72331818]

約数ペア:

[(1, 72331818), (2, 36165909), (3, 24110606), (6, 12055303), (13, 5563986), (26, 2781993), (37, 1954914), (39, 1854662), (71, 1018758), (74, 977457), (78, 927331), (111, 651638), (142, 509379), (213, 339586), (222, 325819), (353, 204906), (426, 169793), (481, 150378), (706, 102453), (923, 78366), (962, 75189), (1059, 68302), (1443, 50126), (1846, 39183), (2118, 34151), (2627, 27534), (2769, 26122), (2886, 25063), (4589, 15762), (5254, 13767), (5538, 13061), (7881, 9178)]