218744022

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 510451200

約数和(自身を除く): 291707178

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 139, 178, 267, 278, 417, 421, 534, 623, 834, 842, 973, 1246, 1263, 1869, 1946, 2526, 2919, 2947, 3738, 5838, 5894, 8841, 12371, 17682, 24742, 37113, 37469, 58519, 74226, 74938, 86597, 112407, 117038, 173194, 175557, 224814, 259791, 262283, 351114, 409633, 519582, 524566, 786849, 819266, 1228899, 1573698, 2457798, 5208191, 10416382, 15624573, 31249146, 36457337, 72914674, 109372011, 218744022]

約数ペア:

[(1, 218744022), (2, 109372011), (3, 72914674), (6, 36457337), (7, 31249146), (14, 15624573), (21, 10416382), (42, 5208191), (89, 2457798), (139, 1573698), (178, 1228899), (267, 819266), (278, 786849), (417, 524566), (421, 519582), (534, 409633), (623, 351114), (834, 262283), (842, 259791), (973, 224814), (1246, 175557), (1263, 173194), (1869, 117038), (1946, 112407), (2526, 86597), (2919, 74938), (2947, 74226), (3738, 58519), (5838, 37469), (5894, 37113), (8841, 24742), (12371, 17682)]