78118890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{9901}}^1$

素因数の和:10174

約数の個数: 32

約数和(自身を含む): 188217216

約数和(自身を除く): 110098326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2630, 3945, 7890, 9901, 19802, 29703, 49505, 59406, 99010, 148515, 297030, 2603963, 5207926, 7811889, 13019815, 15623778, 26039630, 39059445, 78118890]

約数ペア:

[(1, 78118890), (2, 39059445), (3, 26039630), (5, 15623778), (6, 13019815), (10, 7811889), (15, 5207926), (30, 2603963), (263, 297030), (526, 148515), (789, 99010), (1315, 59406), (1578, 49505), (2630, 29703), (3945, 19802), (7890, 9901)]