31191886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 52462080

約数和(自身を除く): 21270194

約数列:

[1, 2, 11, 22, 79, 131, 137, 158, 262, 274, 869, 1441, 1507, 1738, 2882, 3014, 10349, 10823, 17947, 20698, 21646, 35894, 113839, 119053, 197417, 227678, 238106, 394834, 1417813, 2835626, 15595943, 31191886]

約数ペア:

[(1, 31191886), (2, 15595943), (11, 2835626), (22, 1417813), (79, 394834), (131, 238106), (137, 227678), (158, 197417), (262, 119053), (274, 113839), (869, 35894), (1441, 21646), (1507, 20698), (1738, 17947), (2882, 10823), (3014, 10349)]