86391472

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:881

約数の個数: 40

約数和(自身を含む): 172409600

約数和(自身を除く): 86018128

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 199, 344, 398, 631, 688, 796, 1262, 1592, 2524, 3184, 5048, 8557, 10096, 17114, 27133, 34228, 54266, 68456, 108532, 125569, 136912, 217064, 251138, 434128, 502276, 1004552, 2009104, 5399467, 10798934, 21597868, 43195736, 86391472]

約数ペア:

[(1, 86391472), (2, 43195736), (4, 21597868), (8, 10798934), (16, 5399467), (43, 2009104), (86, 1004552), (172, 502276), (199, 434128), (344, 251138), (398, 217064), (631, 136912), (688, 125569), (796, 108532), (1262, 68456), (1592, 54266), (2524, 34228), (3184, 27133), (5048, 17114), (8557, 10096)]