161566145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1613}}^1$

素因数の和:1721

約数の個数: 32

約数和(自身を含む): 221260032

約数和(自身を除く): 59693887

約数列:

[1, 5, 13, 23, 65, 67, 115, 299, 335, 871, 1495, 1541, 1613, 4355, 7705, 8065, 20033, 20969, 37099, 100165, 104845, 108071, 185495, 482287, 540355, 1404923, 2411435, 2485633, 7024615, 12428165, 32313229, 161566145]

約数ペア:

[(1, 161566145), (5, 32313229), (13, 12428165), (23, 7024615), (65, 2485633), (67, 2411435), (115, 1404923), (299, 540355), (335, 482287), (871, 185495), (1495, 108071), (1541, 104845), (1613, 100165), (4355, 37099), (7705, 20969), (8065, 20033)]