209625654

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{70297}}^1$

素因数の和:70380

約数の個数: 32

約数和(自身を含む): 485899776

約数和(自身を除く): 276274122

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 70297, 140594, 210891, 421782, 492079, 984158, 1476237, 2952474, 4991087, 9982174, 14973261, 29946522, 34937609, 69875218, 104812827, 209625654]

約数ペア:

[(1, 209625654), (2, 104812827), (3, 69875218), (6, 34937609), (7, 29946522), (14, 14973261), (21, 9982174), (42, 4991087), (71, 2952474), (142, 1476237), (213, 984158), (426, 492079), (497, 421782), (994, 210891), (1491, 140594), (2982, 70297)]