81391696

素因数分解:

$2^4\times {\mathrm{463}}^1\times {\mathrm{10987}}^1$

素因数の和:11458

約数の個数: 20

約数和(自身を含む): 158051392

約数和(自身を除く): 76659696

約数列:

[1, 2, 4, 8, 16, 463, 926, 1852, 3704, 7408, 10987, 21974, 43948, 87896, 175792, 5086981, 10173962, 20347924, 40695848, 81391696]

約数ペア:

[(1, 81391696), (2, 40695848), (4, 20347924), (8, 10173962), (16, 5086981), (463, 175792), (926, 87896), (1852, 43948), (3704, 21974), (7408, 10987)]