81611964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{337}}^1$

素因数の和:416

約数の個数: 108

約数和(自身を含む): 244341552

約数和(自身を除く): 162729588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 337, 372, 434, 558, 651, 674, 868, 961, 1011, 1116, 1302, 1348, 1922, 1953, 2022, 2359, 2604, 2883, 3033, 3844, 3906, 4044, 4718, 5766, 6066, 6727, 7077, 7812, 8649, 9436, 10447, 11532, 12132, 13454, 14154, 17298, 20181, 20894, 21231, 26908, 28308, 31341, 34596, 40362, 41788, 42462, 60543, 62682, 73129, 80724, 84924, 94023, 121086, 125364, 146258, 188046, 219387, 242172, 292516, 323857, 376092, 438774, 647714, 658161, 877548, 971571, 1295428, 1316322, 1943142, 2266999, 2632644, 2914713, 3886284, 4533998, 5829426, 6800997, 9067996, 11658852, 13601994, 20402991, 27203988, 40805982, 81611964]

約数ペア:

[(1, 81611964), (2, 40805982), (3, 27203988), (4, 20402991), (6, 13601994), (7, 11658852), (9, 9067996), (12, 6800997), (14, 5829426), (18, 4533998), (21, 3886284), (28, 2914713), (31, 2632644), (36, 2266999), (42, 1943142), (62, 1316322), (63, 1295428), (84, 971571), (93, 877548), (124, 658161), (126, 647714), (186, 438774), (217, 376092), (252, 323857), (279, 292516), (337, 242172), (372, 219387), (434, 188046), (558, 146258), (651, 125364), (674, 121086), (868, 94023), (961, 84924), (1011, 80724), (1116, 73129), (1302, 62682), (1348, 60543), (1922, 42462), (1953, 41788), (2022, 40362), (2359, 34596), (2604, 31341), (2883, 28308), (3033, 26908), (3844, 21231), (3906, 20894), (4044, 20181), (4718, 17298), (5766, 14154), (6066, 13454), (6727, 12132), (7077, 11532), (7812, 10447), (8649, 9436)]