11981992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2897}}^1$

素因数の和:2961

約数の個数: 32

約数和(自身を含む): 25038720

約数和(自身を除く): 13056728

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 2897, 4136, 5794, 11588, 23176, 31867, 63734, 127468, 136159, 254936, 272318, 544636, 1089272, 1497749, 2995498, 5990996, 11981992]

約数ペア:

[(1, 11981992), (2, 5990996), (4, 2995498), (8, 1497749), (11, 1089272), (22, 544636), (44, 272318), (47, 254936), (88, 136159), (94, 127468), (188, 63734), (376, 31867), (517, 23176), (1034, 11588), (2068, 5794), (2897, 4136)]