2220778

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 48

約数和(自身を含む): 4333824

約数和(自身を除く): 2113046

約数列:

[1, 2, 7, 14, 17, 31, 34, 43, 49, 62, 86, 98, 119, 217, 238, 301, 434, 527, 602, 731, 833, 1054, 1333, 1462, 1519, 1666, 2107, 2666, 3038, 3689, 4214, 5117, 7378, 9331, 10234, 18662, 22661, 25823, 35819, 45322, 51646, 65317, 71638, 130634, 158627, 317254, 1110389, 2220778]

約数ペア:

[(1, 2220778), (2, 1110389), (7, 317254), (14, 158627), (17, 130634), (31, 71638), (34, 65317), (43, 51646), (49, 45322), (62, 35819), (86, 25823), (98, 22661), (119, 18662), (217, 10234), (238, 9331), (301, 7378), (434, 5117), (527, 4214), (602, 3689), (731, 3038), (833, 2666), (1054, 2107), (1333, 1666), (1462, 1519)]