1978435874

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{137947}}^1$

素因数の和:138121

約数の個数: 16

約数和(自身を含む): 3039270336

約数和(自身を除く): 1060834462

約数列:

[1, 2, 71, 101, 142, 202, 7171, 14342, 137947, 275894, 9794237, 13932647, 19588474, 27865294, 989217937, 1978435874]

約数ペア:

[(1, 1978435874), (2, 989217937), (71, 27865294), (101, 19588474), (142, 13932647), (202, 9794237), (7171, 275894), (14342, 137947)]