211980923

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{1609}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 278208000

約数和(自身を除く): 66227077

約数列:

[1, 7, 11, 29, 59, 77, 203, 319, 413, 649, 1609, 1711, 2233, 4543, 11263, 11977, 17699, 18821, 46661, 94931, 123893, 131747, 326627, 513271, 664517, 1044241, 2752999, 3592897, 7309687, 19270993, 30282989, 211980923]

約数ペア:

[(1, 211980923), (7, 30282989), (11, 19270993), (29, 7309687), (59, 3592897), (77, 2752999), (203, 1044241), (319, 664517), (413, 513271), (649, 326627), (1609, 131747), (1711, 123893), (2233, 94931), (4543, 46661), (11263, 18821), (11977, 17699)]