311120212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{24223}}^1$

素因数の和:24272

約数の個数: 36

約数和(自身を含む): 620618880

約数和(自身を除く): 309498668

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 12844, 24223, 48446, 96892, 314899, 460237, 629798, 920474, 1259596, 1840948, 4093687, 5983081, 8187374, 11966162, 16374748, 23932324, 77780053, 155560106, 311120212]

約数ペア:

[(1, 311120212), (2, 155560106), (4, 77780053), (13, 23932324), (19, 16374748), (26, 11966162), (38, 8187374), (52, 5983081), (76, 4093687), (169, 1840948), (247, 1259596), (338, 920474), (494, 629798), (676, 460237), (988, 314899), (3211, 96892), (6422, 48446), (12844, 24223)]