1238866412

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1423

約数の個数: 72

約数和(自身を含む): 2610896400

約数和(自身を除く): 1372029988

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 139, 148, 196, 259, 278, 518, 556, 973, 1036, 1229, 1813, 1946, 2458, 3626, 3892, 4916, 5143, 6811, 7252, 8603, 10286, 13622, 17206, 20572, 27244, 34412, 36001, 45473, 60221, 72002, 90946, 120442, 144004, 170831, 181892, 240884, 252007, 318311, 341662, 504014, 636622, 683324, 1008028, 1195817, 1273244, 2228177, 2391634, 4456354, 4783268, 6320747, 8370719, 8912708, 12641494, 16741438, 25282988, 33482876, 44245229, 88490458, 176980916, 309716603, 619433206, 1238866412]

約数ペア:

[(1, 1238866412), (2, 619433206), (4, 309716603), (7, 176980916), (14, 88490458), (28, 44245229), (37, 33482876), (49, 25282988), (74, 16741438), (98, 12641494), (139, 8912708), (148, 8370719), (196, 6320747), (259, 4783268), (278, 4456354), (518, 2391634), (556, 2228177), (973, 1273244), (1036, 1195817), (1229, 1008028), (1813, 683324), (1946, 636622), (2458, 504014), (3626, 341662), (3892, 318311), (4916, 252007), (5143, 240884), (6811, 181892), (7252, 170831), (8603, 144004), (10286, 120442), (13622, 90946), (17206, 72002), (20572, 60221), (27244, 45473), (34412, 36001)]