138767515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{30803}}^1$

素因数の和:30878

約数の個数: 16

約数和(自身を含む): 179648928

約数和(自身を除く): 40881413

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 30803, 154015, 523651, 1632559, 2618255, 8162795, 27753503, 138767515]

約数ペア:

[(1, 138767515), (5, 27753503), (17, 8162795), (53, 2618255), (85, 1632559), (265, 523651), (901, 154015), (4505, 30803)]