648720002

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{4967}}^1$

素因数の和:5486

約数の個数: 32

約数和(自身を含む): 1173242880

約数和(自身を除く): 524522878

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 491, 982, 3437, 4967, 6874, 9329, 9934, 18658, 34769, 65303, 69538, 94373, 130606, 188746, 660611, 1321222, 2438797, 4877594, 17071579, 34143158, 46337143, 92674286, 324360001, 648720002]

約数ペア:

[(1, 648720002), (2, 324360001), (7, 92674286), (14, 46337143), (19, 34143158), (38, 17071579), (133, 4877594), (266, 2438797), (491, 1321222), (982, 660611), (3437, 188746), (4967, 130606), (6874, 94373), (9329, 69538), (9934, 65303), (18658, 34769)]