28379694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 68124672

約数和(自身を除く): 39744978

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 71, 93, 142, 186, 213, 217, 307, 426, 434, 497, 614, 651, 921, 994, 1302, 1491, 1842, 2149, 2201, 2982, 4298, 4402, 6447, 6603, 9517, 12894, 13206, 15407, 19034, 21797, 28551, 30814, 43594, 46221, 57102, 65391, 66619, 92442, 130782, 133238, 152579, 199857, 305158, 399714, 457737, 675707, 915474, 1351414, 2027121, 4054242, 4729949, 9459898, 14189847, 28379694]

約数ペア:

[(1, 28379694), (2, 14189847), (3, 9459898), (6, 4729949), (7, 4054242), (14, 2027121), (21, 1351414), (31, 915474), (42, 675707), (62, 457737), (71, 399714), (93, 305158), (142, 199857), (186, 152579), (213, 133238), (217, 130782), (307, 92442), (426, 66619), (434, 65391), (497, 57102), (614, 46221), (651, 43594), (921, 30814), (994, 28551), (1302, 21797), (1491, 19034), (1842, 15407), (2149, 13206), (2201, 12894), (2982, 9517), (4298, 6603), (4402, 6447)]