201997835

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163561}}^1$

素因数の和:163598

約数の個数: 16

約数和(自身を含む): 274784160

約数和(自身を除く): 72786325

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 163561, 817805, 2126293, 3107659, 10631465, 15538295, 40399567, 201997835]

約数ペア:

[(1, 201997835), (5, 40399567), (13, 15538295), (19, 10631465), (65, 3107659), (95, 2126293), (247, 817805), (1235, 163561)]