221898782015

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{8581}}^1\times {\mathrm{126143}}^1$

素因数の和:134770

約数の個数: 16

約数和(自身を含む): 272807087616

約数和(自身を除く): 50908305601

約数列:

[1, 5, 41, 205, 8581, 42905, 126143, 351821, 630715, 1759105, 5171863, 25859315, 1082433083, 5412165415, 44379756403, 221898782015]

約数ペア:

[(1, 221898782015), (5, 44379756403), (41, 5412165415), (205, 1082433083), (8581, 25859315), (42905, 5171863), (126143, 1759105), (351821, 630715)]