205921238

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{2309}}^1$

素因数の和:2432

約数の個数: 32

約数和(自身を含む): 340290720

約数和(自身を除く): 134369482

約数列:

[1, 2, 17, 34, 43, 61, 86, 122, 731, 1037, 1462, 2074, 2309, 2623, 4618, 5246, 39253, 44591, 78506, 89182, 99287, 140849, 198574, 281698, 1687879, 2394433, 3375758, 4788866, 6056507, 12113014, 102960619, 205921238]

約数ペア:

[(1, 205921238), (2, 102960619), (17, 12113014), (34, 6056507), (43, 4788866), (61, 3375758), (86, 2394433), (122, 1687879), (731, 281698), (1037, 198574), (1462, 140849), (2074, 99287), (2309, 89182), (2623, 78506), (4618, 44591), (5246, 39253)]