42478928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{85643}}^1$

素因数の和:85682

約数の個数: 20

約数和(自身を含む): 84958848

約数和(自身を除く): 42479920

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 85643, 171286, 342572, 685144, 1370288, 2654933, 5309866, 10619732, 21239464, 42478928]

約数ペア:

[(1, 42478928), (2, 21239464), (4, 10619732), (8, 5309866), (16, 2654933), (31, 1370288), (62, 685144), (124, 342572), (248, 171286), (496, 85643)]