71978706

素因数分解:

$2^1\times 3^4\times {\mathrm{643}}^1\times {\mathrm{691}}^1$

素因数の和:1348

約数の個数: 40

約数和(自身を含む): 161770224

約数和(自身を除く): 89791518

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 643, 691, 1286, 1382, 1929, 2073, 3858, 4146, 5787, 6219, 11574, 12438, 17361, 18657, 34722, 37314, 52083, 55971, 104166, 111942, 444313, 888626, 1332939, 2665878, 3998817, 7997634, 11996451, 23992902, 35989353, 71978706]

約数ペア:

[(1, 71978706), (2, 35989353), (3, 23992902), (6, 11996451), (9, 7997634), (18, 3998817), (27, 2665878), (54, 1332939), (81, 888626), (162, 444313), (643, 111942), (691, 104166), (1286, 55971), (1382, 52083), (1929, 37314), (2073, 34722), (3858, 18657), (4146, 17361), (5787, 12438), (6219, 11574)]