201805289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 260321280

約数和(自身を除く): 58515991

約数列:

[1, 7, 19, 23, 37, 133, 161, 259, 437, 703, 851, 1783, 3059, 4921, 5957, 12481, 16169, 33877, 41009, 65971, 113183, 237139, 287063, 461797, 779171, 1253449, 1517333, 5454197, 8774143, 10621331, 28829327, 201805289]

約数ペア:

[(1, 201805289), (7, 28829327), (19, 10621331), (23, 8774143), (37, 5454197), (133, 1517333), (161, 1253449), (259, 779171), (437, 461797), (703, 287063), (851, 237139), (1783, 113183), (3059, 65971), (4921, 41009), (5957, 33877), (12481, 16169)]