2017901879

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{32401}}^1$

素因数の和:32487

約数の個数: 24

約数和(自身を含む): 2482252416

約数和(自身を除く): 464350537

約数列:

[1, 7, 31, 41, 49, 217, 287, 1271, 1519, 2009, 8897, 32401, 62279, 226807, 1004431, 1328441, 1587649, 7031017, 9299087, 41181671, 49217119, 65093609, 288271697, 2017901879]

約数ペア:

[(1, 2017901879), (7, 288271697), (31, 65093609), (41, 49217119), (49, 41181671), (217, 9299087), (287, 7031017), (1271, 1587649), (1519, 1328441), (2009, 1004431), (8897, 226807), (32401, 62279)]