78975918

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{208931}}^1$

素因数の和:208949

約数の個数: 32

約数和(自身を含む): 200574720

約数和(自身を除く): 121598802

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 208931, 417862, 626793, 1253586, 1462517, 1880379, 2925034, 3760758, 4387551, 5641137, 8775102, 11282274, 13162653, 26325306, 39487959, 78975918]

約数ペア:

[(1, 78975918), (2, 39487959), (3, 26325306), (6, 13162653), (7, 11282274), (9, 8775102), (14, 5641137), (18, 4387551), (21, 3760758), (27, 2925034), (42, 1880379), (54, 1462517), (63, 1253586), (126, 626793), (189, 417862), (378, 208931)]