31478694

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{911}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 68027904

約数和(自身を除く): 36549210

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 443, 886, 911, 1329, 1822, 2658, 2733, 5466, 5759, 11518, 11843, 17277, 23686, 34554, 35529, 71058, 403573, 807146, 1210719, 2421438, 5246449, 10492898, 15739347, 31478694]

約数ペア:

[(1, 31478694), (2, 15739347), (3, 10492898), (6, 5246449), (13, 2421438), (26, 1210719), (39, 807146), (78, 403573), (443, 71058), (886, 35529), (911, 34554), (1329, 23686), (1822, 17277), (2658, 11843), (2733, 11518), (5466, 5759)]