85421345

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 112827168

約数和(自身を除く): 27405823

約数列:

[1, 5, 17, 37, 85, 157, 173, 185, 629, 785, 865, 2669, 2941, 3145, 5809, 6401, 13345, 14705, 27161, 29045, 32005, 98753, 108817, 135805, 461737, 493765, 544085, 1004957, 2308685, 5024785, 17084269, 85421345]

約数ペア:

[(1, 85421345), (5, 17084269), (17, 5024785), (37, 2308685), (85, 1004957), (157, 544085), (173, 493765), (185, 461737), (629, 135805), (785, 108817), (865, 98753), (2669, 32005), (2941, 29045), (3145, 27161), (5809, 14705), (6401, 13345)]