639647526

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{9883}}^1$

素因数の和:9985

約数の個数: 64

約数和(自身を含む): 1548546048

約数和(自身を除く): 908898522

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 67, 69, 134, 138, 161, 201, 322, 402, 469, 483, 938, 966, 1407, 1541, 2814, 3082, 4623, 9246, 9883, 10787, 19766, 21574, 29649, 32361, 59298, 64722, 69181, 138362, 207543, 227309, 415086, 454618, 662161, 681927, 1324322, 1363854, 1591163, 1986483, 3182326, 3972966, 4635127, 4773489, 9270254, 9546978, 13905381, 15229703, 27810762, 30459406, 45689109, 91378218, 106607921, 213215842, 319823763, 639647526]

約数ペア:

[(1, 639647526), (2, 319823763), (3, 213215842), (6, 106607921), (7, 91378218), (14, 45689109), (21, 30459406), (23, 27810762), (42, 15229703), (46, 13905381), (67, 9546978), (69, 9270254), (134, 4773489), (138, 4635127), (161, 3972966), (201, 3182326), (322, 1986483), (402, 1591163), (469, 1363854), (483, 1324322), (938, 681927), (966, 662161), (1407, 454618), (1541, 415086), (2814, 227309), (3082, 207543), (4623, 138362), (9246, 69181), (9883, 64722), (10787, 59298), (19766, 32361), (21574, 29649)]