320920717

素因数分解:

${\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{1621}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 351610672

約数和(自身を除く): 30689955

約数列:

[1, 13, 97, 157, 1261, 1621, 2041, 15229, 21073, 157237, 197977, 254497, 2044081, 3308461, 24686209, 320920717]

約数ペア:

[(1, 320920717), (13, 24686209), (97, 3308461), (157, 2044081), (1261, 254497), (1621, 197977), (2041, 157237), (15229, 21073)]