639002338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{3413}}^1$

素因数の和:3826

約数の個数: 32

約数和(自身を含む): 1089748800

約数和(自身を除く): 450746462

約数列:

[1, 2, 13, 19, 26, 38, 247, 379, 494, 758, 3413, 4927, 6826, 7201, 9854, 14402, 44369, 64847, 88738, 93613, 129694, 187226, 843011, 1293527, 1686022, 2587054, 16815851, 24577013, 33631702, 49154026, 319501169, 639002338]

約数ペア:

[(1, 639002338), (2, 319501169), (13, 49154026), (19, 33631702), (26, 24577013), (38, 16815851), (247, 2587054), (379, 1686022), (494, 1293527), (758, 843011), (3413, 187226), (4927, 129694), (6826, 93613), (7201, 88738), (9854, 64847), (14402, 44369)]