28685712

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^3\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 80

約数和(自身を含む): 81691200

約数和(自身を除く): 53005488

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 449, 484, 528, 726, 898, 968, 1331, 1347, 1452, 1796, 1936, 2662, 2694, 2904, 3592, 3993, 4939, 5324, 5388, 5808, 7184, 7986, 9878, 10648, 10776, 14817, 15972, 19756, 21296, 21552, 29634, 31944, 39512, 54329, 59268, 63888, 79024, 108658, 118536, 162987, 217316, 237072, 325974, 434632, 597619, 651948, 869264, 1195238, 1303896, 1792857, 2390476, 2607792, 3585714, 4780952, 7171428, 9561904, 14342856, 28685712]

約数ペア:

[(1, 28685712), (2, 14342856), (3, 9561904), (4, 7171428), (6, 4780952), (8, 3585714), (11, 2607792), (12, 2390476), (16, 1792857), (22, 1303896), (24, 1195238), (33, 869264), (44, 651948), (48, 597619), (66, 434632), (88, 325974), (121, 237072), (132, 217316), (176, 162987), (242, 118536), (264, 108658), (363, 79024), (449, 63888), (484, 59268), (528, 54329), (726, 39512), (898, 31944), (968, 29634), (1331, 21552), (1347, 21296), (1452, 19756), (1796, 15972), (1936, 14817), (2662, 10776), (2694, 10648), (2904, 9878), (3592, 7986), (3993, 7184), (4939, 5808), (5324, 5388)]