677908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 1548288

約数和(自身を除く): 870380

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 62, 71, 77, 124, 142, 154, 217, 284, 308, 341, 434, 497, 682, 781, 868, 994, 1364, 1562, 1988, 2201, 2387, 3124, 4402, 4774, 5467, 8804, 9548, 10934, 15407, 21868, 24211, 30814, 48422, 61628, 96844, 169477, 338954, 677908]

約数ペア:

[(1, 677908), (2, 338954), (4, 169477), (7, 96844), (11, 61628), (14, 48422), (22, 30814), (28, 24211), (31, 21868), (44, 15407), (62, 10934), (71, 9548), (77, 8804), (124, 5467), (142, 4774), (154, 4402), (217, 3124), (284, 2387), (308, 2201), (341, 1988), (434, 1562), (497, 1364), (682, 994), (781, 868)]