78398418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2903}}^1$

素因数の和:3558

約数の個数: 32

約数和(自身を含む): 179536896

約数和(自身を除く): 101138478

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 643, 1286, 1929, 2903, 3858, 4501, 5806, 8709, 9002, 13503, 17418, 20321, 27006, 40642, 60963, 121926, 1866629, 3733258, 5599887, 11199774, 13066403, 26132806, 39199209, 78398418]

約数ペア:

[(1, 78398418), (2, 39199209), (3, 26132806), (6, 13066403), (7, 11199774), (14, 5599887), (21, 3733258), (42, 1866629), (643, 121926), (1286, 60963), (1929, 40642), (2903, 27006), (3858, 20321), (4501, 17418), (5806, 13503), (8709, 9002)]