28720964

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{929}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 51559200

約数和(自身を除く): 22838236

約数列:

[1, 2, 4, 59, 118, 131, 236, 262, 524, 929, 1858, 3716, 7729, 15458, 30916, 54811, 109622, 121699, 219244, 243398, 486796, 7180241, 14360482, 28720964]

約数ペア:

[(1, 28720964), (2, 14360482), (4, 7180241), (59, 486796), (118, 243398), (131, 219244), (236, 121699), (262, 109622), (524, 54811), (929, 30916), (1858, 15458), (3716, 7729)]