205865891

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{6569}}^1$

素因数の和:6635

約数の個数: 24

約数和(自身を含む): 265638240

約数和(自身を除く): 59772349

約数列:

[1, 7, 11, 37, 77, 121, 259, 407, 847, 2849, 4477, 6569, 31339, 45983, 72259, 243053, 505813, 794849, 1701371, 2673583, 5563943, 18715081, 29409413, 205865891]

約数ペア:

[(1, 205865891), (7, 29409413), (11, 18715081), (37, 5563943), (77, 2673583), (121, 1701371), (259, 794849), (407, 505813), (847, 243053), (2849, 72259), (4477, 45983), (6569, 31339)]