71780815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{11777}}^1$

素因数の和:11858

約数の個数: 16

約数和(自身を含む): 91585728

約数和(自身を除く): 19804913

約数列:

[1, 5, 23, 53, 115, 265, 1219, 6095, 11777, 58885, 270871, 624181, 1354355, 3120905, 14356163, 71780815]

約数ペア:

[(1, 71780815), (5, 14356163), (23, 3120905), (53, 1354355), (115, 624181), (265, 270871), (1219, 58885), (6095, 11777)]