78289136

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157841}}^1$

素因数の和:157880

約数の個数: 20

約数和(自身を含む): 156579264

約数和(自身を除く): 78290128

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 157841, 315682, 631364, 1262728, 2525456, 4893071, 9786142, 19572284, 39144568, 78289136]

約数ペア:

[(1, 78289136), (2, 39144568), (4, 19572284), (8, 9786142), (16, 4893071), (31, 2525456), (62, 1262728), (124, 631364), (248, 315682), (496, 157841)]