81592916

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15121}}^1$

素因数の和:15215

約数の個数: 24

約数和(自身を含む): 152429760

約数和(自身を除く): 70836844

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 15121, 30242, 60484, 287299, 574598, 1073591, 1149196, 2147182, 4294364, 20398229, 40796458, 81592916]

約数ペア:

[(1, 81592916), (2, 40796458), (4, 20398229), (19, 4294364), (38, 2147182), (71, 1149196), (76, 1073591), (142, 574598), (284, 287299), (1349, 60484), (2698, 30242), (5396, 15121)]