256007778

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{69833}}^1$

素因数の和:69898

約数の個数: 32

約数和(自身を含む): 563141376

約数和(自身を除く): 307133598

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 94, 141, 282, 611, 1222, 1833, 3666, 69833, 139666, 209499, 418998, 907829, 1815658, 2723487, 3282151, 5446974, 6564302, 9846453, 19692906, 42667963, 85335926, 128003889, 256007778]

約数ペア:

[(1, 256007778), (2, 128003889), (3, 85335926), (6, 42667963), (13, 19692906), (26, 9846453), (39, 6564302), (47, 5446974), (78, 3282151), (94, 2723487), (141, 1815658), (282, 907829), (611, 418998), (1222, 209499), (1833, 139666), (3666, 69833)]