1988903287

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{1163}}^1\times {\mathrm{2053}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 2453018256

約数和(自身を除く): 464114969

約数列:

[1, 7, 17, 49, 119, 833, 1163, 2053, 8141, 14371, 19771, 34901, 56987, 100597, 138397, 244307, 968779, 1710149, 2387639, 16713473, 40589863, 116994311, 284129041, 1988903287]

約数ペア:

[(1, 1988903287), (7, 284129041), (17, 116994311), (49, 40589863), (119, 16713473), (833, 2387639), (1163, 1710149), (2053, 968779), (8141, 244307), (14371, 138397), (19771, 100597), (34901, 56987)]