201639770

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{330557}}^1$

素因数の和:330625

約数の個数: 16

約数和(自身を含む): 368902728

約数和(自身を除く): 167262958

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 330557, 661114, 1652785, 3305570, 20163977, 40327954, 100819885, 201639770]

約数ペア:

[(1, 201639770), (2, 100819885), (5, 40327954), (10, 20163977), (61, 3305570), (122, 1652785), (305, 661114), (610, 330557)]