81747198

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:191

約数の個数: 128

約数和(自身を含む): 209986560

約数和(自身を除く): 128239362

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 46, 54, 61, 69, 78, 83, 117, 122, 138, 166, 183, 207, 234, 249, 299, 351, 366, 414, 498, 549, 598, 621, 702, 747, 793, 897, 1079, 1098, 1242, 1403, 1494, 1586, 1647, 1794, 1909, 2158, 2241, 2379, 2691, 2806, 3237, 3294, 3818, 4209, 4482, 4758, 5063, 5382, 5727, 6474, 7137, 8073, 8418, 9711, 10126, 11454, 12627, 14274, 15189, 16146, 17181, 18239, 19422, 21411, 24817, 25254, 29133, 30378, 34362, 36478, 37881, 42822, 45567, 49634, 51543, 54717, 58266, 65819, 74451, 75762, 91134, 103086, 109434, 116449, 131638, 136701, 148902, 164151, 197457, 223353, 232898, 273402, 328302, 349347, 394914, 446706, 492453, 592371, 670059, 698694, 984906, 1048041, 1184742, 1340118, 1513837, 1777113, 2096082, 3027674, 3144123, 3554226, 4541511, 6288246, 9083022, 13624533, 27249066, 40873599, 81747198]

約数ペア:

[(1, 81747198), (2, 40873599), (3, 27249066), (6, 13624533), (9, 9083022), (13, 6288246), (18, 4541511), (23, 3554226), (26, 3144123), (27, 3027674), (39, 2096082), (46, 1777113), (54, 1513837), (61, 1340118), (69, 1184742), (78, 1048041), (83, 984906), (117, 698694), (122, 670059), (138, 592371), (166, 492453), (183, 446706), (207, 394914), (234, 349347), (249, 328302), (299, 273402), (351, 232898), (366, 223353), (414, 197457), (498, 164151), (549, 148902), (598, 136701), (621, 131638), (702, 116449), (747, 109434), (793, 103086), (897, 91134), (1079, 75762), (1098, 74451), (1242, 65819), (1403, 58266), (1494, 54717), (1586, 51543), (1647, 49634), (1794, 45567), (1909, 42822), (2158, 37881), (2241, 36478), (2379, 34362), (2691, 30378), (2806, 29133), (3237, 25254), (3294, 24817), (3818, 21411), (4209, 19422), (4482, 18239), (4758, 17181), (5063, 16146), (5382, 15189), (5727, 14274), (6474, 12627), (7137, 11454), (8073, 10126), (8418, 9711)]