664744528

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1223}}^1$

素因数の和:1472

約数の個数: 80

約数和(自身を含む): 1544472576

約数和(自身を除く): 879728048

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 211, 322, 368, 422, 644, 844, 1223, 1288, 1477, 1688, 2446, 2576, 2954, 3376, 4853, 4892, 5908, 8561, 9706, 9784, 11816, 17122, 19412, 19568, 23632, 28129, 33971, 34244, 38824, 56258, 67942, 68488, 77648, 112516, 135884, 136976, 196903, 225032, 258053, 271768, 393806, 450064, 516106, 543536, 787612, 1032212, 1575224, 1806371, 2064424, 3150448, 3612742, 4128848, 5935219, 7225484, 11870438, 14450968, 23740876, 28901936, 41546533, 47481752, 83093066, 94963504, 166186132, 332372264, 664744528]

約数ペア:

[(1, 664744528), (2, 332372264), (4, 166186132), (7, 94963504), (8, 83093066), (14, 47481752), (16, 41546533), (23, 28901936), (28, 23740876), (46, 14450968), (56, 11870438), (92, 7225484), (112, 5935219), (161, 4128848), (184, 3612742), (211, 3150448), (322, 2064424), (368, 1806371), (422, 1575224), (644, 1032212), (844, 787612), (1223, 543536), (1288, 516106), (1477, 450064), (1688, 393806), (2446, 271768), (2576, 258053), (2954, 225032), (3376, 196903), (4853, 136976), (4892, 135884), (5908, 112516), (8561, 77648), (9706, 68488), (9784, 67942), (11816, 56258), (17122, 38824), (19412, 34244), (19568, 33971), (23632, 28129)]