28010988

素因数分解:

$2^2\times 3^3\times {\mathrm{419}}^1\times {\mathrm{619}}^1$

素因数の和:1051

約数の個数: 48

約数和(自身を含む): 72912000

約数和(自身を除く): 44901012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 419, 619, 838, 1238, 1257, 1676, 1857, 2476, 2514, 3714, 3771, 5028, 5571, 7428, 7542, 11142, 11313, 15084, 16713, 22284, 22626, 33426, 45252, 66852, 259361, 518722, 778083, 1037444, 1556166, 2334249, 3112332, 4668498, 7002747, 9336996, 14005494, 28010988]

約数ペア:

[(1, 28010988), (2, 14005494), (3, 9336996), (4, 7002747), (6, 4668498), (9, 3112332), (12, 2334249), (18, 1556166), (27, 1037444), (36, 778083), (54, 518722), (108, 259361), (419, 66852), (619, 45252), (838, 33426), (1238, 22626), (1257, 22284), (1676, 16713), (1857, 15084), (2476, 11313), (2514, 11142), (3714, 7542), (3771, 7428), (5028, 5571)]