28972724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1988

約数の個数: 36

約数和(自身を含む): 57558144

約数和(自身を除く): 28585420

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 121, 124, 242, 341, 484, 682, 1364, 1931, 3751, 3862, 7502, 7724, 15004, 21241, 42482, 59861, 84964, 119722, 233651, 239444, 467302, 658471, 934604, 1316942, 2633884, 7243181, 14486362, 28972724]

約数ペア:

[(1, 28972724), (2, 14486362), (4, 7243181), (11, 2633884), (22, 1316942), (31, 934604), (44, 658471), (62, 467302), (121, 239444), (124, 233651), (242, 119722), (341, 84964), (484, 59861), (682, 42482), (1364, 21241), (1931, 15004), (3751, 7724), (3862, 7502)]