221494858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{67079}}^1$

素因数の和:67221

約数の個数: 16

約数和(自身を含む): 360622080

約数和(自身を除く): 139127222

約数列:

[1, 2, 13, 26, 127, 254, 1651, 3302, 67079, 134158, 872027, 1744054, 8519033, 17038066, 110747429, 221494858]

約数ペア:

[(1, 221494858), (2, 110747429), (13, 17038066), (26, 8519033), (127, 1744054), (254, 872027), (1651, 134158), (3302, 67079)]