78889290470

素因数分解:

$2^1\times 5^1\times {\mathrm{21407}}^1\times {\mathrm{368521}}^1$

素因数の和:389935

約数の個数: 16

約数和(自身を含む): 142007741568

約数和(自身を除く): 63118451098

約数列:

[1, 2, 5, 10, 21407, 42814, 107035, 214070, 368521, 737042, 1842605, 3685210, 7888929047, 15777858094, 39444645235, 78889290470]

約数ペア:

[(1, 78889290470), (2, 39444645235), (5, 15777858094), (10, 7888929047), (21407, 3685210), (42814, 1842605), (107035, 737042), (214070, 368521)]