64884708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1307}}^1$

素因数の和:1521

約数の個数: 72

約数和(自身を含む): 188540352

約数和(自身を除く): 123655644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 197, 252, 394, 591, 788, 1182, 1307, 1379, 1773, 2364, 2614, 2758, 3546, 3921, 4137, 5228, 5516, 7092, 7842, 8274, 9149, 11763, 12411, 15684, 16548, 18298, 23526, 24822, 27447, 36596, 47052, 49644, 54894, 82341, 109788, 164682, 257479, 329364, 514958, 772437, 1029916, 1544874, 1802353, 2317311, 3089748, 3604706, 4634622, 5407059, 7209412, 9269244, 10814118, 16221177, 21628236, 32442354, 64884708]

約数ペア:

[(1, 64884708), (2, 32442354), (3, 21628236), (4, 16221177), (6, 10814118), (7, 9269244), (9, 7209412), (12, 5407059), (14, 4634622), (18, 3604706), (21, 3089748), (28, 2317311), (36, 1802353), (42, 1544874), (63, 1029916), (84, 772437), (126, 514958), (197, 329364), (252, 257479), (394, 164682), (591, 109788), (788, 82341), (1182, 54894), (1307, 49644), (1379, 47052), (1773, 36596), (2364, 27447), (2614, 24822), (2758, 23526), (3546, 18298), (3921, 16548), (4137, 15684), (5228, 12411), (5516, 11763), (7092, 9149), (7842, 8274)]