2639898

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 64

約数和(自身を含む): 6451200

約数和(自身を除く): 3811302

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 31, 38, 54, 57, 62, 83, 93, 114, 166, 171, 186, 249, 279, 342, 498, 513, 558, 589, 747, 837, 1026, 1178, 1494, 1577, 1674, 1767, 2241, 2573, 3154, 3534, 4482, 4731, 5146, 5301, 7719, 9462, 10602, 14193, 15438, 15903, 23157, 28386, 31806, 42579, 46314, 48887, 69471, 85158, 97774, 138942, 146661, 293322, 439983, 879966, 1319949, 2639898]

約数ペア:

[(1, 2639898), (2, 1319949), (3, 879966), (6, 439983), (9, 293322), (18, 146661), (19, 138942), (27, 97774), (31, 85158), (38, 69471), (54, 48887), (57, 46314), (62, 42579), (83, 31806), (93, 28386), (114, 23157), (166, 15903), (171, 15438), (186, 14193), (249, 10602), (279, 9462), (342, 7719), (498, 5301), (513, 5146), (558, 4731), (589, 4482), (747, 3534), (837, 3154), (1026, 2573), (1178, 2241), (1494, 1767), (1577, 1674)]