220748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 438480

約数和(自身を除く): 217732

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 173, 319, 346, 638, 692, 1276, 1903, 3806, 5017, 7612, 10034, 20068, 55187, 110374, 220748]

約数ペア:

[(1, 220748), (2, 110374), (4, 55187), (11, 20068), (22, 10034), (29, 7612), (44, 5017), (58, 3806), (116, 1903), (173, 1276), (319, 692), (346, 638)]