131037985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 174924288

約数和(自身を除く): 43886303

約数列:

[1, 5, 13, 43, 65, 173, 215, 271, 559, 865, 1355, 2249, 2795, 3523, 7439, 11245, 11653, 17615, 37195, 46883, 58265, 96707, 151489, 234415, 483535, 609479, 757445, 2015969, 3047395, 10079845, 26207597, 131037985]

約数ペア:

[(1, 131037985), (5, 26207597), (13, 10079845), (43, 3047395), (65, 2015969), (173, 757445), (215, 609479), (271, 483535), (559, 234415), (865, 151489), (1355, 96707), (2249, 58265), (2795, 46883), (3523, 37195), (7439, 17615), (11245, 11653)]