86688728

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21803}}^1$

素因数の和:21887

約数の個数: 32

約数和(自身を含む): 188386560

約数和(自身を除く): 101697832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 21803, 43606, 87212, 152621, 174424, 305242, 610484, 1220968, 1548013, 3096026, 6192052, 10836091, 12384104, 21672182, 43344364, 86688728]

約数ペア:

[(1, 86688728), (2, 43344364), (4, 21672182), (7, 12384104), (8, 10836091), (14, 6192052), (28, 3096026), (56, 1548013), (71, 1220968), (142, 610484), (284, 305242), (497, 174424), (568, 152621), (994, 87212), (1988, 43606), (3976, 21803)]