203421745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 269485056

約数和(自身を除く): 66063311

約数列:

[1, 5, 17, 37, 71, 85, 185, 355, 629, 911, 1207, 2627, 3145, 4555, 6035, 13135, 15487, 33707, 44659, 64681, 77435, 168535, 223295, 323405, 573019, 1099577, 2393197, 2865095, 5497885, 11965985, 40684349, 203421745]

約数ペア:

[(1, 203421745), (5, 40684349), (17, 11965985), (37, 5497885), (71, 2865095), (85, 2393197), (185, 1099577), (355, 573019), (629, 323405), (911, 223295), (1207, 168535), (2627, 77435), (3145, 64681), (4555, 44659), (6035, 33707), (13135, 15487)]