201955791778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{18991517}}^1$

素因数の和:18991941

約数の個数: 16

約数和(自身を含む): 327033939960

約数和(自身を除く): 125078148182

約数列:

[1, 2, 13, 26, 409, 818, 5317, 10634, 18991517, 37983034, 246889721, 493779442, 7767530453, 15535060906, 100977895889, 201955791778]

約数ペア:

[(1, 201955791778), (2, 100977895889), (13, 15535060906), (26, 7767530453), (409, 493779442), (818, 246889721), (5317, 37983034), (10634, 18991517)]