81308257

素因数分解:

${\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 87552000

約数和(自身を除く): 6243743

約数列:

[1, 29, 31, 149, 607, 899, 4321, 4619, 17603, 18817, 90443, 133951, 545693, 2622847, 2803733, 81308257]

約数ペア:

[(1, 81308257), (29, 2803733), (31, 2622847), (149, 545693), (607, 133951), (899, 90443), (4321, 18817), (4619, 17603)]