78163974

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{206783}}^1$

素因数の和:206801

約数の個数: 32

約数和(自身を含む): 198512640

約数和(自身を除く): 120348666

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 206783, 413566, 620349, 1240698, 1447481, 1861047, 2894962, 3722094, 4342443, 5583141, 8684886, 11166282, 13027329, 26054658, 39081987, 78163974]

約数ペア:

[(1, 78163974), (2, 39081987), (3, 26054658), (6, 13027329), (7, 11166282), (9, 8684886), (14, 5583141), (18, 4342443), (21, 3722094), (27, 2894962), (42, 1861047), (54, 1447481), (63, 1240698), (126, 620349), (189, 413566), (378, 206783)]