201921115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{4139}}^1$

素因数の和:5042

約数の個数: 16

約数和(自身を含む): 264695040

約数和(自身を除く): 62773925

約数列:

[1, 5, 11, 55, 887, 4139, 4435, 9757, 20695, 45529, 48785, 227645, 3671293, 18356465, 40384223, 201921115]

約数ペア:

[(1, 201921115), (5, 40384223), (11, 18356465), (55, 3671293), (887, 227645), (4139, 48785), (4435, 45529), (9757, 20695)]