139215770

素因数分解:

$2^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{20147}}^1$

素因数の和:20845

約数の個数: 16

約数和(自身を含む): 250963488

約数和(自身を除く): 111747718

約数列:

[1, 2, 5, 10, 691, 1382, 3455, 6910, 20147, 40294, 100735, 201470, 13921577, 27843154, 69607885, 139215770]

約数ペア:

[(1, 139215770), (2, 69607885), (5, 27843154), (10, 13921577), (691, 201470), (1382, 100735), (3455, 40294), (6910, 20147)]