78391199

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1277}}^1$

素因数の和:1474

約数の個数: 16

約数和(自身を含む): 87231168

約数和(自身を除く): 8839969

約数列:

[1, 17, 23, 157, 391, 1277, 2669, 3611, 21709, 29371, 61387, 200489, 499307, 3408313, 4611247, 78391199]

約数ペア:

[(1, 78391199), (17, 4611247), (23, 3408313), (157, 499307), (391, 200489), (1277, 61387), (2669, 29371), (3611, 21709)]