278519252

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1053

約数の個数: 72

約数和(自身を含む): 582731520

約数和(自身を除く): 304212268

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 121, 124, 209, 242, 341, 418, 484, 589, 682, 836, 977, 1178, 1364, 1954, 2299, 2356, 3751, 3908, 4598, 6479, 7502, 9196, 10747, 12958, 15004, 18563, 21494, 25916, 30287, 37126, 42988, 60574, 71269, 74252, 118217, 121148, 142538, 204193, 236434, 285076, 333157, 408386, 472868, 575453, 666314, 816772, 1150906, 1332628, 2246123, 2301812, 3664727, 4492246, 6329983, 7329454, 8984492, 12659966, 14658908, 25319932, 69629813, 139259626, 278519252]

約数ペア:

[(1, 278519252), (2, 139259626), (4, 69629813), (11, 25319932), (19, 14658908), (22, 12659966), (31, 8984492), (38, 7329454), (44, 6329983), (62, 4492246), (76, 3664727), (121, 2301812), (124, 2246123), (209, 1332628), (242, 1150906), (341, 816772), (418, 666314), (484, 575453), (589, 472868), (682, 408386), (836, 333157), (977, 285076), (1178, 236434), (1364, 204193), (1954, 142538), (2299, 121148), (2356, 118217), (3751, 74252), (3908, 71269), (4598, 60574), (6479, 42988), (7502, 37126), (9196, 30287), (10747, 25916), (12958, 21494), (15004, 18563)]