51985264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:845

約数の個数: 40

約数和(自身を含む): 104771072

約数和(自身を除く): 52785808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 163, 248, 326, 496, 643, 652, 1286, 1304, 2572, 2608, 5053, 5144, 10106, 10288, 19933, 20212, 39866, 40424, 79732, 80848, 104809, 159464, 209618, 318928, 419236, 838472, 1676944, 3249079, 6498158, 12996316, 25992632, 51985264]

約数ペア:

[(1, 51985264), (2, 25992632), (4, 12996316), (8, 6498158), (16, 3249079), (31, 1676944), (62, 838472), (124, 419236), (163, 318928), (248, 209618), (326, 159464), (496, 104809), (643, 80848), (652, 79732), (1286, 40424), (1304, 39866), (2572, 20212), (2608, 19933), (5053, 10288), (5144, 10106)]