28391058

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 64261080

約数和(自身を除く): 35870022

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 137, 174, 261, 274, 397, 411, 522, 794, 822, 1191, 1233, 2382, 2466, 3573, 3973, 7146, 7946, 11513, 11919, 23026, 23838, 34539, 35757, 54389, 69078, 71514, 103617, 108778, 163167, 207234, 326334, 489501, 979002, 1577281, 3154562, 4731843, 9463686, 14195529, 28391058]

約数ペア:

[(1, 28391058), (2, 14195529), (3, 9463686), (6, 4731843), (9, 3154562), (18, 1577281), (29, 979002), (58, 489501), (87, 326334), (137, 207234), (174, 163167), (261, 108778), (274, 103617), (397, 71514), (411, 69078), (522, 54389), (794, 35757), (822, 34539), (1191, 23838), (1233, 23026), (2382, 11919), (2466, 11513), (3573, 7946), (3973, 7146)]