66219770

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{108557}}^1$

素因数の和:108625

約数の個数: 16

約数和(自身を含む): 121150728

約数和(自身を除く): 54930958

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 108557, 217114, 542785, 1085570, 6621977, 13243954, 33109885, 66219770]

約数ペア:

[(1, 66219770), (2, 33109885), (5, 13243954), (10, 6621977), (61, 1085570), (122, 542785), (305, 217114), (610, 108557)]