8139866

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 14929920

約数和(自身を除く): 6790054

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 431, 497, 862, 994, 1349, 2698, 3017, 6034, 8189, 9443, 16378, 18886, 30601, 57323, 61202, 114646, 214207, 428414, 581419, 1162838, 4069933, 8139866]

約数ペア:

[(1, 8139866), (2, 4069933), (7, 1162838), (14, 581419), (19, 428414), (38, 214207), (71, 114646), (133, 61202), (142, 57323), (266, 30601), (431, 18886), (497, 16378), (862, 9443), (994, 8189), (1349, 6034), (2698, 3017)]