171684995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 223060608

約数和(自身を除く): 51375613

約数列:

[1, 5, 23, 37, 115, 157, 185, 257, 785, 851, 1285, 3611, 4255, 5809, 5911, 9509, 18055, 29045, 29555, 40349, 47545, 133607, 201745, 218707, 668035, 928027, 1093535, 1492913, 4640135, 7464565, 34336999, 171684995]

約数ペア:

[(1, 171684995), (5, 34336999), (23, 7464565), (37, 4640135), (115, 1492913), (157, 1093535), (185, 928027), (257, 668035), (785, 218707), (851, 201745), (1285, 133607), (3611, 47545), (4255, 40349), (5809, 29555), (5911, 29045), (9509, 18055)]