397658972896

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{19756507}}^1$

素因数の和:19756571

約数の個数: 48

約数和(自身を含む): 851347442736

約数和(自身を除く): 453688469840

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 37, 68, 74, 136, 148, 272, 296, 544, 592, 629, 1184, 1258, 2516, 5032, 10064, 20128, 19756507, 39513014, 79026028, 158052056, 316104112, 335860619, 632208224, 671721238, 730990759, 1343442476, 1461981518, 2686884952, 2923963036, 5373769904, 5847926072, 10747539808, 11695852144, 12426842903, 23391704288, 24853685806, 49707371612, 99414743224, 198829486448, 397658972896]

約数ペア:

[(1, 397658972896), (2, 198829486448), (4, 99414743224), (8, 49707371612), (16, 24853685806), (17, 23391704288), (32, 12426842903), (34, 11695852144), (37, 10747539808), (68, 5847926072), (74, 5373769904), (136, 2923963036), (148, 2686884952), (272, 1461981518), (296, 1343442476), (544, 730990759), (592, 671721238), (629, 632208224), (1184, 335860619), (1258, 316104112), (2516, 158052056), (5032, 79026028), (10064, 39513014), (20128, 19756507)]