17996866264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1\times {\mathrm{6121}}^1$

素因数の和:7820

約数の個数: 64

約数和(自身を含む): 38506890240

約数和(自身を除く): 20510023976

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1663, 1768, 3326, 6121, 6652, 12242, 13304, 21619, 24484, 28271, 43238, 48968, 56542, 79573, 86476, 104057, 113084, 159146, 172952, 208114, 226168, 318292, 367523, 416228, 636584, 735046, 832456, 1352741, 1470092, 2705482, 2940184, 5410964, 10179223, 10821928, 20358446, 40716892, 81433784, 132329899, 173046791, 264659798, 346093582, 529319596, 692187164, 1058639192, 1384374328, 2249608283, 4499216566, 8998433132, 17996866264]

約数ペア:

[(1, 17996866264), (2, 8998433132), (4, 4499216566), (8, 2249608283), (13, 1384374328), (17, 1058639192), (26, 692187164), (34, 529319596), (52, 346093582), (68, 264659798), (104, 173046791), (136, 132329899), (221, 81433784), (442, 40716892), (884, 20358446), (1663, 10821928), (1768, 10179223), (3326, 5410964), (6121, 2940184), (6652, 2705482), (12242, 1470092), (13304, 1352741), (21619, 832456), (24484, 735046), (28271, 636584), (43238, 416228), (48968, 367523), (56542, 318292), (79573, 226168), (86476, 208114), (104057, 172952), (113084, 159146)]