38778298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 64665216

約数和(自身を除く): 25886918

約数列:

[1, 2, 13, 26, 53, 106, 107, 214, 263, 526, 689, 1378, 1391, 2782, 3419, 5671, 6838, 11342, 13939, 27878, 28141, 56282, 73723, 147446, 181207, 362414, 365833, 731666, 1491473, 2982946, 19389149, 38778298]

約数ペア:

[(1, 38778298), (2, 19389149), (13, 2982946), (26, 1491473), (53, 731666), (106, 365833), (107, 362414), (214, 181207), (263, 147446), (526, 73723), (689, 56282), (1378, 28141), (1391, 27878), (2782, 13939), (3419, 11342), (5671, 6838)]