31770739

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1867}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 45190656

約数和(自身を除く): 13419917

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 1867, 2431, 13069, 17017, 20537, 24271, 31739, 143759, 169897, 222173, 266981, 349129, 412607, 1868867, 2443903, 2888249, 4538677, 31770739]

約数ペア:

[(1, 31770739), (7, 4538677), (11, 2888249), (13, 2443903), (17, 1868867), (77, 412607), (91, 349129), (119, 266981), (143, 222173), (187, 169897), (221, 143759), (1001, 31739), (1309, 24271), (1547, 20537), (1867, 17017), (2431, 13069)]