163490015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{8951}}^1$

素因数の和:9250

約数の個数: 16

約数和(自身を含む): 212054976

約数和(自身を除く): 48564961

約数列:

[1, 5, 13, 65, 281, 1405, 3653, 8951, 18265, 44755, 116363, 581815, 2515231, 12576155, 32698003, 163490015]

約数ペア:

[(1, 163490015), (5, 32698003), (13, 12576155), (65, 2515231), (281, 581815), (1405, 116363), (3653, 44755), (8951, 18265)]