66643278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2089}}^1$

素因数の和:2516

約数の個数: 32

約数和(自身を含む): 143959200

約数和(自身を除く): 77315922

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 818, 1227, 2089, 2454, 4178, 5317, 6267, 10634, 12534, 15951, 27157, 31902, 54314, 81471, 162942, 854401, 1708802, 2563203, 5126406, 11107213, 22214426, 33321639, 66643278]

約数ペア:

[(1, 66643278), (2, 33321639), (3, 22214426), (6, 11107213), (13, 5126406), (26, 2563203), (39, 1708802), (78, 854401), (409, 162942), (818, 81471), (1227, 54314), (2089, 31902), (2454, 27157), (4178, 15951), (5317, 12534), (6267, 10634)]