291217718

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1109

約数の個数: 48

約数和(自身を含む): 516069792

約数和(自身を除く): 224852074

約数列:

[1, 2, 11, 17, 22, 34, 71, 121, 142, 187, 242, 374, 781, 997, 1207, 1562, 1994, 2057, 2414, 4114, 8591, 10967, 13277, 16949, 17182, 21934, 26554, 33898, 70787, 120637, 141574, 146047, 186439, 241274, 292094, 372878, 778657, 1203379, 1557314, 2050829, 2406758, 4101658, 8565227, 13237169, 17130454, 26474338, 145608859, 291217718]

約数ペア:

[(1, 291217718), (2, 145608859), (11, 26474338), (17, 17130454), (22, 13237169), (34, 8565227), (71, 4101658), (121, 2406758), (142, 2050829), (187, 1557314), (242, 1203379), (374, 778657), (781, 372878), (997, 292094), (1207, 241274), (1562, 186439), (1994, 146047), (2057, 141574), (2414, 120637), (4114, 70787), (8591, 33898), (10967, 26554), (13277, 21934), (16949, 17182)]