209345005

素因数分解:

$5^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1\times {\mathrm{751}}^1$

素因数の和:1236

約数の個数: 16

約数和(自身を含む): 253718784

約数和(自身を除く): 44373779

約数列:

[1, 5, 197, 283, 751, 985, 1415, 3755, 55751, 147947, 212533, 278755, 739735, 1062665, 41869001, 209345005]

約数ペア:

[(1, 209345005), (5, 41869001), (197, 1062665), (283, 739735), (751, 278755), (985, 212533), (1415, 147947), (3755, 55751)]