219985298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{607}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 364041216

約数和(自身を除く): 144055918

約数列:

[1, 2, 13, 26, 53, 106, 263, 526, 607, 689, 1214, 1378, 3419, 6838, 7891, 13939, 15782, 27878, 32171, 64342, 159641, 181207, 319282, 362414, 418223, 836446, 2075333, 4150666, 8460973, 16921946, 109992649, 219985298]

約数ペア:

[(1, 219985298), (2, 109992649), (13, 16921946), (26, 8460973), (53, 4150666), (106, 2075333), (263, 836446), (526, 418223), (607, 362414), (689, 319282), (1214, 181207), (1378, 159641), (3419, 64342), (6838, 32171), (7891, 27878), (13939, 15782)]