81569964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51109}}^1$

素因数の和:51142

約数の個数: 48

約数和(自身を含む): 228972800

約数和(自身を除く): 147402836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 51109, 102218, 153327, 204436, 306654, 357763, 613308, 715526, 971071, 1073289, 1431052, 1942142, 2146578, 2913213, 3884284, 4293156, 5826426, 6797497, 11652852, 13594994, 20392491, 27189988, 40784982, 81569964]

約数ペア:

[(1, 81569964), (2, 40784982), (3, 27189988), (4, 20392491), (6, 13594994), (7, 11652852), (12, 6797497), (14, 5826426), (19, 4293156), (21, 3884284), (28, 2913213), (38, 2146578), (42, 1942142), (57, 1431052), (76, 1073289), (84, 971071), (114, 715526), (133, 613308), (228, 357763), (266, 306654), (399, 204436), (532, 153327), (798, 102218), (1596, 51109)]