77774444

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:207

約数の個数: 72

約数和(自身を含む): 158776464

約数和(自身を除く): 81002020

約数列:

[1, 2, 4, 11, 22, 37, 43, 44, 74, 86, 101, 121, 148, 172, 202, 242, 404, 407, 473, 484, 814, 946, 1111, 1591, 1628, 1892, 2222, 3182, 3737, 4343, 4444, 4477, 5203, 6364, 7474, 8686, 8954, 10406, 12221, 14948, 17372, 17501, 17908, 20812, 24442, 35002, 41107, 47773, 48884, 70004, 82214, 95546, 160691, 164428, 191092, 192511, 321382, 385022, 452177, 525503, 642764, 770044, 904354, 1051006, 1767601, 1808708, 2102012, 3535202, 7070404, 19443611, 38887222, 77774444]

約数ペア:

[(1, 77774444), (2, 38887222), (4, 19443611), (11, 7070404), (22, 3535202), (37, 2102012), (43, 1808708), (44, 1767601), (74, 1051006), (86, 904354), (101, 770044), (121, 642764), (148, 525503), (172, 452177), (202, 385022), (242, 321382), (404, 192511), (407, 191092), (473, 164428), (484, 160691), (814, 95546), (946, 82214), (1111, 70004), (1591, 48884), (1628, 47773), (1892, 41107), (2222, 35002), (3182, 24442), (3737, 20812), (4343, 17908), (4444, 17501), (4477, 17372), (5203, 14948), (6364, 12221), (7474, 10406), (8686, 8954)]