7840196

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 18299736

約数和(自身を除く): 10459540

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 181, 182, 196, 221, 238, 362, 364, 442, 476, 637, 724, 833, 884, 1267, 1274, 1547, 1666, 2353, 2534, 2548, 3077, 3094, 3332, 4706, 5068, 6154, 6188, 8869, 9412, 10829, 12308, 16471, 17738, 21539, 21658, 32942, 35476, 40001, 43078, 43316, 65884, 80002, 86156, 115297, 150773, 160004, 230594, 280007, 301546, 461188, 560014, 603092, 1120028, 1960049, 3920098, 7840196]

約数ペア:

[(1, 7840196), (2, 3920098), (4, 1960049), (7, 1120028), (13, 603092), (14, 560014), (17, 461188), (26, 301546), (28, 280007), (34, 230594), (49, 160004), (52, 150773), (68, 115297), (91, 86156), (98, 80002), (119, 65884), (181, 43316), (182, 43078), (196, 40001), (221, 35476), (238, 32942), (362, 21658), (364, 21539), (442, 17738), (476, 16471), (637, 12308), (724, 10829), (833, 9412), (884, 8869), (1267, 6188), (1274, 6154), (1547, 5068), (1666, 4706), (2353, 3332), (2534, 3094), (2548, 3077)]