645372476

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{2027}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 1316480256

約数和(自身を除く): 671107780

約数列:

[1, 2, 4, 7, 14, 28, 83, 137, 166, 274, 332, 548, 581, 959, 1162, 1918, 2027, 2324, 3836, 4054, 8108, 11371, 14189, 22742, 28378, 45484, 56756, 79597, 159194, 168241, 277699, 318388, 336482, 555398, 672964, 1110796, 1177687, 1943893, 2355374, 3887786, 4710748, 7775572, 23049017, 46098034, 92196068, 161343119, 322686238, 645372476]

約数ペア:

[(1, 645372476), (2, 322686238), (4, 161343119), (7, 92196068), (14, 46098034), (28, 23049017), (83, 7775572), (137, 4710748), (166, 3887786), (274, 2355374), (332, 1943893), (548, 1177687), (581, 1110796), (959, 672964), (1162, 555398), (1918, 336482), (2027, 318388), (2324, 277699), (3836, 168241), (4054, 159194), (8108, 79597), (11371, 56756), (14189, 45484), (22742, 28378)]