138203416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{69941}}^1$

素因数の和:69979

約数の個数: 32

約数和(自身を含む): 293756400

約数和(自身を除く): 155552984

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 69941, 139882, 279764, 559528, 909233, 1328879, 1818466, 2657758, 3636932, 5315516, 7273864, 10631032, 17275427, 34550854, 69101708, 138203416]

約数ペア:

[(1, 138203416), (2, 69101708), (4, 34550854), (8, 17275427), (13, 10631032), (19, 7273864), (26, 5315516), (38, 3636932), (52, 2657758), (76, 1818466), (104, 1328879), (152, 909233), (247, 559528), (494, 279764), (988, 139882), (1976, 69941)]