86581808

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{39499}}^1$

素因数の和:39644

約数の個数: 20

約数和(自身を含む): 168981000

約数和(自身を除く): 82399192

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 39499, 78998, 157996, 315992, 631984, 5411363, 10822726, 21645452, 43290904, 86581808]

約数ペア:

[(1, 86581808), (2, 43290904), (4, 21645452), (8, 10822726), (16, 5411363), (137, 631984), (274, 315992), (548, 157996), (1096, 78998), (2192, 39499)]