81401354

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{271}}^1\times {\mathrm{1487}}^1$

素因数の和:1861

約数の個数: 16

約数和(自身を含む): 123849216

約数和(自身を除く): 42447862

約数列:

[1, 2, 101, 202, 271, 542, 1487, 2974, 27371, 54742, 150187, 300374, 402977, 805954, 40700677, 81401354]

約数ペア:

[(1, 81401354), (2, 40700677), (101, 805954), (202, 402977), (271, 300374), (542, 150187), (1487, 54742), (2974, 27371)]