668839234

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{509}}^1\times {\mathrm{1997}}^1$

素因数の和:2562

約数の個数: 32

約数和(自身を含む): 1173864960

約数和(自身を除く): 505025726

約数列:

[1, 2, 7, 14, 47, 94, 329, 509, 658, 1018, 1997, 3563, 3994, 7126, 13979, 23923, 27958, 47846, 93859, 167461, 187718, 334922, 657013, 1016473, 1314026, 2032946, 7115311, 14230622, 47774231, 95548462, 334419617, 668839234]

約数ペア:

[(1, 668839234), (2, 334419617), (7, 95548462), (14, 47774231), (47, 14230622), (94, 7115311), (329, 2032946), (509, 1314026), (658, 1016473), (1018, 657013), (1997, 334922), (3563, 187718), (3994, 167461), (7126, 93859), (13979, 47846), (23923, 27958)]