220177948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{7691}}^1$

素因数の和:8133

約数の個数: 24

約数和(自身を含む): 408999024

約数和(自身を除く): 188821076

約数列:

[1, 2, 4, 17, 34, 68, 421, 842, 1684, 7157, 7691, 14314, 15382, 28628, 30764, 130747, 261494, 522988, 3237911, 6475822, 12951644, 55044487, 110088974, 220177948]

約数ペア:

[(1, 220177948), (2, 110088974), (4, 55044487), (17, 12951644), (34, 6475822), (68, 3237911), (421, 522988), (842, 261494), (1684, 130747), (7157, 30764), (7691, 28628), (14314, 15382)]