989607856

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{2347}}^1$

素因数の和:2466

約数の個数: 60

約数和(自身を含む): 2052184872

約数和(自身を除く): 1062577016

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 361, 584, 722, 1168, 1387, 1444, 2347, 2774, 2888, 4694, 5548, 5776, 9388, 11096, 18776, 22192, 26353, 37552, 44593, 52706, 89186, 105412, 171331, 178372, 210824, 342662, 356744, 421648, 685324, 713488, 847267, 1370648, 1694534, 2741296, 3255289, 3389068, 6510578, 6778136, 13021156, 13556272, 26042312, 52084624, 61850491, 123700982, 247401964, 494803928, 989607856]

約数ペア:

[(1, 989607856), (2, 494803928), (4, 247401964), (8, 123700982), (16, 61850491), (19, 52084624), (38, 26042312), (73, 13556272), (76, 13021156), (146, 6778136), (152, 6510578), (292, 3389068), (304, 3255289), (361, 2741296), (584, 1694534), (722, 1370648), (1168, 847267), (1387, 713488), (1444, 685324), (2347, 421648), (2774, 356744), (2888, 342662), (4694, 210824), (5548, 178372), (5776, 171331), (9388, 105412), (11096, 89186), (18776, 52706), (22192, 44593), (26353, 37552)]