289755730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{23311}}^1$

素因数の和:23442

約数の個数: 32

約数和(自身を含む): 574034688

約数和(自身を除く): 284278958

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 113, 226, 565, 1130, 1243, 2486, 6215, 12430, 23311, 46622, 116555, 233110, 256421, 512842, 1282105, 2564210, 2634143, 5268286, 13170715, 26341430, 28975573, 57951146, 144877865, 289755730]

約数ペア:

[(1, 289755730), (2, 144877865), (5, 57951146), (10, 28975573), (11, 26341430), (22, 13170715), (55, 5268286), (110, 2634143), (113, 2564210), (226, 1282105), (565, 512842), (1130, 256421), (1243, 233110), (2486, 116555), (6215, 46622), (12430, 23311)]