1019005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 1343664

約数和(自身を除く): 324659

約数列:

[1, 5, 13, 61, 65, 257, 305, 793, 1285, 3341, 3965, 15677, 16705, 78385, 203801, 1019005]

約数ペア:

[(1, 1019005), (5, 203801), (13, 78385), (61, 16705), (65, 15677), (257, 3965), (305, 3341), (793, 1285)]