31820162

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 53621568

約数和(自身を除く): 21801406

約数列:

[1, 2, 11, 22, 61, 122, 131, 181, 262, 362, 671, 1342, 1441, 1991, 2882, 3982, 7991, 11041, 15982, 22082, 23711, 47422, 87901, 121451, 175802, 242902, 260821, 521642, 1446371, 2892742, 15910081, 31820162]

約数ペア:

[(1, 31820162), (2, 15910081), (11, 2892742), (22, 1446371), (61, 521642), (122, 260821), (131, 242902), (181, 175802), (262, 121451), (362, 87901), (671, 47422), (1342, 23711), (1441, 22082), (1991, 15982), (2882, 11041), (3982, 7991)]