208587790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{1879}}^1$

素因数の和:2556

約数の個数: 32

約数和(自身を含む): 398364480

約数和(自身を除く): 189776690

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 653, 1306, 1879, 3265, 3758, 6530, 9395, 11101, 18790, 22202, 31943, 55505, 63886, 111010, 159715, 319430, 1226987, 2453974, 6134935, 12269870, 20858779, 41717558, 104293895, 208587790]

約数ペア:

[(1, 208587790), (2, 104293895), (5, 41717558), (10, 20858779), (17, 12269870), (34, 6134935), (85, 2453974), (170, 1226987), (653, 319430), (1306, 159715), (1879, 111010), (3265, 63886), (3758, 55505), (6530, 31943), (9395, 22202), (11101, 18790)]