68853883

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 85155840

約数和(自身を除く): 16301957

約数列:

[1, 7, 31, 41, 71, 109, 217, 287, 497, 763, 1271, 2201, 2911, 3379, 4469, 7739, 8897, 15407, 20377, 23653, 31283, 54173, 90241, 138539, 239909, 317299, 631687, 969773, 1679363, 2221093, 9836269, 68853883]

約数ペア:

[(1, 68853883), (7, 9836269), (31, 2221093), (41, 1679363), (71, 969773), (109, 631687), (217, 317299), (287, 239909), (497, 138539), (763, 90241), (1271, 54173), (2201, 31283), (2911, 23653), (3379, 20377), (4469, 15407), (7739, 8897)]