201981826

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{18803}}^1$

素因数の和:18977

約数の個数: 16

約数和(自身を含む): 312748128

約数和(自身を除く): 110766302

約数列:

[1, 2, 41, 82, 131, 262, 5371, 10742, 18803, 37606, 770923, 1541846, 2463193, 4926386, 100990913, 201981826]

約数ペア:

[(1, 201981826), (2, 100990913), (41, 4926386), (82, 2463193), (131, 1541846), (262, 770923), (5371, 37606), (10742, 18803)]