19979968335

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{653}}^1\times {\mathrm{1237}}^1$

素因数の和:2012

約数の個数: 64

約数和(自身を含む): 34277427072

約数和(自身を除く): 14297458737

約数列:

[1, 3, 5, 15, 17, 51, 85, 97, 255, 291, 485, 653, 1237, 1455, 1649, 1959, 3265, 3711, 4947, 6185, 8245, 9795, 11101, 18555, 21029, 24735, 33303, 55505, 63087, 63341, 105145, 119989, 166515, 190023, 315435, 316705, 359967, 599945, 807761, 950115, 1076797, 1799835, 2039813, 2423283, 3230391, 4038805, 5383985, 6119439, 10199065, 12116415, 13731937, 16151955, 30597195, 41195811, 68659685, 78352817, 205979055, 235058451, 391764085, 1175292255, 1331997889, 3995993667, 6659989445, 19979968335]

約数ペア:

[(1, 19979968335), (3, 6659989445), (5, 3995993667), (15, 1331997889), (17, 1175292255), (51, 391764085), (85, 235058451), (97, 205979055), (255, 78352817), (291, 68659685), (485, 41195811), (653, 30597195), (1237, 16151955), (1455, 13731937), (1649, 12116415), (1959, 10199065), (3265, 6119439), (3711, 5383985), (4947, 4038805), (6185, 3230391), (8245, 2423283), (9795, 2039813), (11101, 1799835), (18555, 1076797), (21029, 950115), (24735, 807761), (33303, 599945), (55505, 359967), (63087, 316705), (63341, 315435), (105145, 190023), (119989, 166515)]