28395978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4987}}^1$

素因数の和:5078

約数の個数: 32

約数和(自身を含む): 62010816

約数和(自身を除く): 33614838

約数列:

[1, 2, 3, 6, 13, 26, 39, 73, 78, 146, 219, 438, 949, 1898, 2847, 4987, 5694, 9974, 14961, 29922, 64831, 129662, 194493, 364051, 388986, 728102, 1092153, 2184306, 4732663, 9465326, 14197989, 28395978]

約数ペア:

[(1, 28395978), (2, 14197989), (3, 9465326), (6, 4732663), (13, 2184306), (26, 1092153), (39, 728102), (73, 388986), (78, 364051), (146, 194493), (219, 129662), (438, 64831), (949, 29922), (1898, 14961), (2847, 9974), (4987, 5694)]