17640305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 23639040

約数和(自身を除く): 5998735

約数列:

[1, 5, 17, 37, 71, 79, 85, 185, 355, 395, 629, 1207, 1343, 2627, 2923, 3145, 5609, 6035, 6715, 13135, 14615, 28045, 44659, 49691, 95353, 207533, 223295, 248455, 476765, 1037665, 3528061, 17640305]

約数ペア:

[(1, 17640305), (5, 3528061), (17, 1037665), (37, 476765), (71, 248455), (79, 223295), (85, 207533), (185, 95353), (355, 49691), (395, 44659), (629, 28045), (1207, 14615), (1343, 13135), (2627, 6715), (2923, 6035), (3145, 5609)]