28643538

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 77122368

約数和(自身を除く): 48478830

約数列:

[1, 2, 3, 6, 7, 11, 14, 17, 21, 22, 33, 34, 42, 49, 51, 66, 77, 98, 102, 119, 147, 154, 187, 231, 238, 294, 357, 374, 462, 521, 539, 561, 714, 833, 1042, 1078, 1122, 1309, 1563, 1617, 1666, 2499, 2618, 3126, 3234, 3647, 3927, 4998, 5731, 7294, 7854, 8857, 9163, 10941, 11462, 17193, 17714, 18326, 21882, 25529, 26571, 27489, 34386, 40117, 51058, 53142, 54978, 61999, 76587, 80234, 97427, 120351, 123998, 153174, 185997, 194854, 240702, 280819, 292281, 371994, 433993, 561638, 584562, 681989, 842457, 867986, 1301979, 1363978, 1684914, 2045967, 2603958, 4091934, 4773923, 9547846, 14321769, 28643538]

約数ペア:

[(1, 28643538), (2, 14321769), (3, 9547846), (6, 4773923), (7, 4091934), (11, 2603958), (14, 2045967), (17, 1684914), (21, 1363978), (22, 1301979), (33, 867986), (34, 842457), (42, 681989), (49, 584562), (51, 561638), (66, 433993), (77, 371994), (98, 292281), (102, 280819), (119, 240702), (147, 194854), (154, 185997), (187, 153174), (231, 123998), (238, 120351), (294, 97427), (357, 80234), (374, 76587), (462, 61999), (521, 54978), (539, 53142), (561, 51058), (714, 40117), (833, 34386), (1042, 27489), (1078, 26571), (1122, 25529), (1309, 21882), (1563, 18326), (1617, 17714), (1666, 17193), (2499, 11462), (2618, 10941), (3126, 9163), (3234, 8857), (3647, 7854), (3927, 7294), (4998, 5731)]