211734718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1063}}^1$

素因数の和:1288

約数の個数: 32

約数和(自身を含む): 351783936

約数和(自身を除く): 140049218

約数列:

[1, 2, 13, 26, 47, 94, 163, 326, 611, 1063, 1222, 2119, 2126, 4238, 7661, 13819, 15322, 27638, 49961, 99593, 99922, 173269, 199186, 346538, 649493, 1298986, 2252497, 4504994, 8143643, 16287286, 105867359, 211734718]

約数ペア:

[(1, 211734718), (2, 105867359), (13, 16287286), (26, 8143643), (47, 4504994), (94, 2252497), (163, 1298986), (326, 649493), (611, 346538), (1063, 199186), (1222, 173269), (2119, 99922), (2126, 99593), (4238, 49961), (7661, 27638), (13819, 15322)]