215564993

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1\times {\mathrm{1619}}^1$

素因数の和:2476

約数の個数: 16

約数和(自身を含む): 257541120

約数和(自身を除く): 41976127

約数列:

[1, 7, 23, 161, 827, 1619, 5789, 11333, 19021, 37237, 133147, 260659, 1338913, 9372391, 30794999, 215564993]

約数ペア:

[(1, 215564993), (7, 30794999), (23, 9372391), (161, 1338913), (827, 260659), (1619, 133147), (5789, 37237), (11333, 19021)]