7871135

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:394

約数の個数: 16

約数和(自身を含む): 9722592

約数和(自身を除く): 1851457

約数列:

[1, 5, 61, 131, 197, 305, 655, 985, 7991, 12017, 25807, 39955, 60085, 129035, 1574227, 7871135]

約数ペア:

[(1, 7871135), (5, 1574227), (61, 129035), (131, 60085), (197, 39955), (305, 25807), (655, 12017), (985, 7991)]