77921552

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{21839}}^1$

素因数の和:22070

約数の個数: 20

約数和(自身を含む): 151656960

約数和(自身を除く): 73735408

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 21839, 43678, 87356, 174712, 349424, 4870097, 9740194, 19480388, 38960776, 77921552]

約数ペア:

[(1, 77921552), (2, 38960776), (4, 19480388), (8, 9740194), (16, 4870097), (223, 349424), (446, 174712), (892, 87356), (1784, 43678), (3568, 21839)]