208770814

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{210031}}^1$

素因数の和:210111

約数の個数: 16

約数和(自身を含む): 362935296

約数和(自身を除く): 154164482

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 210031, 420062, 1470217, 2940434, 14912201, 29824402, 104385407, 208770814]

約数ペア:

[(1, 208770814), (2, 104385407), (7, 29824402), (14, 14912201), (71, 2940434), (142, 1470217), (497, 420062), (994, 210031)]