28657203786

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{378253}}^1$

素因数の和:378348

約数の個数: 64

約数和(自身を含む): 67541034240

約数和(自身を除く): 38883830454

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 61, 69, 122, 138, 183, 207, 366, 414, 549, 621, 1098, 1242, 1403, 1647, 2806, 3294, 4209, 8418, 12627, 25254, 37881, 75762, 378253, 756506, 1134759, 2269518, 3404277, 6808554, 8699819, 10212831, 17399638, 20425662, 23073433, 26099457, 46146866, 52198914, 69220299, 78298371, 138440598, 156596742, 207660897, 234895113, 415321794, 469790226, 530688959, 622982691, 1061377918, 1245965382, 1592066877, 3184133754, 4776200631, 9552401262, 14328601893, 28657203786]

約数ペア:

[(1, 28657203786), (2, 14328601893), (3, 9552401262), (6, 4776200631), (9, 3184133754), (18, 1592066877), (23, 1245965382), (27, 1061377918), (46, 622982691), (54, 530688959), (61, 469790226), (69, 415321794), (122, 234895113), (138, 207660897), (183, 156596742), (207, 138440598), (366, 78298371), (414, 69220299), (549, 52198914), (621, 46146866), (1098, 26099457), (1242, 23073433), (1403, 20425662), (1647, 17399638), (2806, 10212831), (3294, 8699819), (4209, 6808554), (8418, 3404277), (12627, 2269518), (25254, 1134759), (37881, 756506), (75762, 378253)]