201981770

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{30557}}^1$

素因数の和:31225

約数の個数: 16

約数和(自身を含む): 364129128

約数和(自身を除く): 162147358

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 30557, 61114, 152785, 305570, 20198177, 40396354, 100990885, 201981770]

約数ペア:

[(1, 201981770), (2, 100990885), (5, 40396354), (10, 20198177), (661, 305570), (1322, 152785), (3305, 61114), (6610, 30557)]