28128828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25759}}^1$

素因数の和:25786

約数の個数: 48

約数和(自身を含む): 80783360

約数和(自身を除く): 52654532

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 25759, 51518, 77277, 103036, 154554, 180313, 309108, 334867, 360626, 540939, 669734, 721252, 1004601, 1081878, 1339468, 2009202, 2163756, 2344069, 4018404, 4688138, 7032207, 9376276, 14064414, 28128828]

約数ペア:

[(1, 28128828), (2, 14064414), (3, 9376276), (4, 7032207), (6, 4688138), (7, 4018404), (12, 2344069), (13, 2163756), (14, 2009202), (21, 1339468), (26, 1081878), (28, 1004601), (39, 721252), (42, 669734), (52, 540939), (78, 360626), (84, 334867), (91, 309108), (156, 180313), (182, 154554), (273, 103036), (364, 77277), (546, 51518), (1092, 25759)]