214970791

素因数分解:

$7^3\times {\mathrm{691}}^1\times {\mathrm{907}}^1$

素因数の和:1619

約数の個数: 16

約数和(自身を含む): 251334400

約数和(自身を除く): 36363609

約数列:

[1, 7, 49, 343, 691, 907, 4837, 6349, 33859, 44443, 237013, 311101, 626737, 4387159, 30710113, 214970791]

約数ペア:

[(1, 214970791), (7, 30710113), (49, 4387159), (343, 626737), (691, 311101), (907, 237013), (4837, 44443), (6349, 33859)]