131493355

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2227

約数の個数: 32

約数和(自身を含む): 189116928

約数和(自身を除く): 57623573

約数列:

[1, 5, 7, 35, 41, 43, 205, 215, 287, 301, 1435, 1505, 1763, 2131, 8815, 10655, 12341, 14917, 61705, 74585, 87371, 91633, 436855, 458165, 611597, 641431, 3057985, 3207155, 3756953, 18784765, 26298671, 131493355]

約数ペア:

[(1, 131493355), (5, 26298671), (7, 18784765), (35, 3756953), (41, 3207155), (43, 3057985), (205, 641431), (215, 611597), (287, 458165), (301, 436855), (1435, 91633), (1505, 87371), (1763, 74585), (2131, 61705), (8815, 14917), (10655, 12341)]