81978144

素因数分解:

$2^5\times 3^1\times {\mathrm{61}}^1\times {\mathrm{13999}}^1$

素因数の和:14073

約数の個数: 48

約数和(自身を含む): 218736000

約数和(自身を除く): 136757856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 96, 122, 183, 244, 366, 488, 732, 976, 1464, 1952, 2928, 5856, 13999, 27998, 41997, 55996, 83994, 111992, 167988, 223984, 335976, 447968, 671952, 853939, 1343904, 1707878, 2561817, 3415756, 5123634, 6831512, 10247268, 13663024, 20494536, 27326048, 40989072, 81978144]

約数ペア:

[(1, 81978144), (2, 40989072), (3, 27326048), (4, 20494536), (6, 13663024), (8, 10247268), (12, 6831512), (16, 5123634), (24, 3415756), (32, 2561817), (48, 1707878), (61, 1343904), (96, 853939), (122, 671952), (183, 447968), (244, 335976), (366, 223984), (488, 167988), (732, 111992), (976, 83994), (1464, 55996), (1952, 41997), (2928, 27998), (5856, 13999)]