774450928

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{1561393}}^1$

素因数の和:1561432

約数の個数: 20

約数和(自身を含む): 1548902848

約数和(自身を除く): 774451920

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 1561393, 3122786, 6245572, 12491144, 24982288, 48403183, 96806366, 193612732, 387225464, 774450928]

約数ペア:

[(1, 774450928), (2, 387225464), (4, 193612732), (8, 96806366), (16, 48403183), (31, 24982288), (62, 12491144), (124, 6245572), (248, 3122786), (496, 1561393)]