85981994

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{86501}}^1$

素因数の和:86581

約数の個数: 16

約数和(自身を含む): 149475456

約数和(自身を除く): 63493462

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 86501, 173002, 605507, 1211014, 6141571, 12283142, 42990997, 85981994]

約数ペア:

[(1, 85981994), (2, 42990997), (7, 12283142), (14, 6141571), (71, 1211014), (142, 605507), (497, 173002), (994, 86501)]