64431948

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20731}}^1$

素因数の和:20782

約数の個数: 48

約数和(自身を含む): 176470784

約数和(自身を除く): 112038836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 20731, 41462, 62193, 82924, 124386, 145117, 248772, 290234, 435351, 580468, 767047, 870702, 1534094, 1741404, 2301141, 3068188, 4602282, 5369329, 9204564, 10738658, 16107987, 21477316, 32215974, 64431948]

約数ペア:

[(1, 64431948), (2, 32215974), (3, 21477316), (4, 16107987), (6, 10738658), (7, 9204564), (12, 5369329), (14, 4602282), (21, 3068188), (28, 2301141), (37, 1741404), (42, 1534094), (74, 870702), (84, 767047), (111, 580468), (148, 435351), (222, 290234), (259, 248772), (444, 145117), (518, 124386), (777, 82924), (1036, 62193), (1554, 41462), (3108, 20731)]