128378874

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53093}}^1$

素因数の和:53142

約数の個数: 32

約数和(自身を含む): 285433344

約数和(自身を除く): 157054470

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 53093, 106186, 159279, 318558, 690209, 1380418, 1645883, 2070627, 3291766, 4141254, 4937649, 9875298, 21396479, 42792958, 64189437, 128378874]

約数ペア:

[(1, 128378874), (2, 64189437), (3, 42792958), (6, 21396479), (13, 9875298), (26, 4937649), (31, 4141254), (39, 3291766), (62, 2070627), (78, 1645883), (93, 1380418), (186, 690209), (403, 318558), (806, 159279), (1209, 106186), (2418, 53093)]