28705158

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{7487}}^1$

素因数の和:7569

約数の個数: 32

約数和(自身を含む): 64696320

約数和(自身を除く): 35991162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 7487, 14974, 22461, 44922, 67383, 134766, 202149, 404298, 531577, 1063154, 1594731, 3189462, 4784193, 9568386, 14352579, 28705158]

約数ペア:

[(1, 28705158), (2, 14352579), (3, 9568386), (6, 4784193), (9, 3189462), (18, 1594731), (27, 1063154), (54, 531577), (71, 404298), (142, 202149), (213, 134766), (426, 67383), (639, 44922), (1278, 22461), (1917, 14974), (3834, 7487)]