28985811

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 42470400

約数和(自身を除く): 13484589

約数列:

[1, 3, 19, 41, 57, 79, 123, 157, 237, 471, 779, 1501, 2337, 2983, 3239, 4503, 6437, 8949, 9717, 12403, 19311, 37209, 61541, 122303, 184623, 235657, 366909, 508523, 706971, 1525569, 9661937, 28985811]

約数ペア:

[(1, 28985811), (3, 9661937), (19, 1525569), (41, 706971), (57, 508523), (79, 366909), (123, 235657), (157, 184623), (237, 122303), (471, 61541), (779, 37209), (1501, 19311), (2337, 12403), (2983, 9717), (3239, 8949), (4503, 6437)]