64725444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{613}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 187736640

約数和(自身を除く): 123011196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 419, 613, 838, 1226, 1257, 1676, 1839, 2452, 2514, 2933, 3678, 3771, 4291, 5028, 5517, 5866, 7356, 7542, 8582, 8799, 11034, 11732, 12873, 15084, 17164, 17598, 22068, 25746, 26397, 35196, 38619, 51492, 52794, 77238, 105588, 154476, 256847, 513694, 770541, 1027388, 1541082, 1797929, 2311623, 3082164, 3595858, 4623246, 5393787, 7191716, 9246492, 10787574, 16181361, 21575148, 32362722, 64725444]

約数ペア:

[(1, 64725444), (2, 32362722), (3, 21575148), (4, 16181361), (6, 10787574), (7, 9246492), (9, 7191716), (12, 5393787), (14, 4623246), (18, 3595858), (21, 3082164), (28, 2311623), (36, 1797929), (42, 1541082), (63, 1027388), (84, 770541), (126, 513694), (252, 256847), (419, 154476), (613, 105588), (838, 77238), (1226, 52794), (1257, 51492), (1676, 38619), (1839, 35196), (2452, 26397), (2514, 25746), (2933, 22068), (3678, 17598), (3771, 17164), (4291, 15084), (5028, 12873), (5517, 11732), (5866, 11034), (7356, 8799), (7542, 8582)]