209214971

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{3079}}^1$

素因数の和:3674

約数の個数: 16

約数和(自身を含む): 253693440

約数和(自身を除く): 44478469

約数列:

[1, 7, 17, 119, 571, 3079, 3997, 9707, 21553, 52343, 67949, 366401, 1758109, 12306763, 29887853, 209214971]

約数ペア:

[(1, 209214971), (7, 29887853), (17, 12306763), (119, 1758109), (571, 366401), (3079, 67949), (3997, 52343), (9707, 21553)]