156969165890

素因数分解:

$2^1\times 5^1\times {\mathrm{197921}}^1\times {\mathrm{79309}}^1$

素因数の和:277237

約数の個数: 16

約数和(自身を含む): 282549488760

約数和(自身を除く): 125580322870

約数列:

[1, 2, 5, 10, 79309, 158618, 197921, 395842, 396545, 793090, 989605, 1979210, 15696916589, 31393833178, 78484582945, 156969165890]

約数ペア:

[(1, 156969165890), (2, 78484582945), (5, 31393833178), (10, 15696916589), (79309, 1979210), (158618, 989605), (197921, 793090), (395842, 396545)]