1980118465

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{136607}}^1$

素因数の和:136848

約数の個数: 16

約数和(自身を含む): 2570416128

約数和(自身を除く): 590297663

約数列:

[1, 5, 13, 65, 223, 1115, 2899, 14495, 136607, 683035, 1775891, 8879455, 30463361, 152316805, 396023693, 1980118465]

約数ペア:

[(1, 1980118465), (5, 396023693), (13, 152316805), (65, 30463361), (223, 8879455), (1115, 1775891), (2899, 683035), (14495, 136607)]