87131545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 117089280

約数和(自身を除く): 29957735

約数列:

[1, 5, 17, 31, 43, 85, 155, 215, 527, 731, 769, 1333, 2635, 3655, 3845, 6665, 13073, 22661, 23839, 33067, 65365, 113305, 119195, 165335, 405263, 562139, 1025077, 2026315, 2810695, 5125385, 17426309, 87131545]

約数ペア:

[(1, 87131545), (5, 17426309), (17, 5125385), (31, 2810695), (43, 2026315), (85, 1025077), (155, 562139), (215, 405263), (527, 165335), (731, 119195), (769, 113305), (1333, 65365), (2635, 33067), (3655, 23839), (3845, 22661), (6665, 13073)]