28641396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 96

約数和(自身を含む): 83607552

約数和(自身を除く): 54966156

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 31, 34, 42, 51, 62, 68, 84, 93, 102, 119, 124, 186, 204, 217, 238, 357, 372, 434, 476, 527, 647, 651, 714, 868, 1054, 1294, 1302, 1428, 1581, 1941, 2108, 2588, 2604, 3162, 3689, 3882, 4529, 6324, 7378, 7764, 9058, 10999, 11067, 13587, 14756, 18116, 20057, 21998, 22134, 27174, 32997, 40114, 43996, 44268, 54348, 60171, 65994, 76993, 80228, 120342, 131988, 140399, 153986, 230979, 240684, 280798, 307972, 340969, 421197, 461958, 561596, 681938, 842394, 923916, 1022907, 1363876, 1684788, 2045814, 2386783, 4091628, 4773566, 7160349, 9547132, 14320698, 28641396]

約数ペア:

[(1, 28641396), (2, 14320698), (3, 9547132), (4, 7160349), (6, 4773566), (7, 4091628), (12, 2386783), (14, 2045814), (17, 1684788), (21, 1363876), (28, 1022907), (31, 923916), (34, 842394), (42, 681938), (51, 561596), (62, 461958), (68, 421197), (84, 340969), (93, 307972), (102, 280798), (119, 240684), (124, 230979), (186, 153986), (204, 140399), (217, 131988), (238, 120342), (357, 80228), (372, 76993), (434, 65994), (476, 60171), (527, 54348), (647, 44268), (651, 43996), (714, 40114), (868, 32997), (1054, 27174), (1294, 22134), (1302, 21998), (1428, 20057), (1581, 18116), (1941, 14756), (2108, 13587), (2588, 11067), (2604, 10999), (3162, 9058), (3689, 7764), (3882, 7378), (4529, 6324)]