261036287888

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{7723}}^1\times {\mathrm{34631}}^1$

素因数の和:42423

約数の個数: 40

約数和(自身を含む): 514130325696

約数和(自身を除く): 253094037808

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 7723, 15446, 30892, 34631, 61784, 69262, 123568, 138524, 277048, 471103, 554096, 942206, 1884412, 2112491, 3768824, 4224982, 7537648, 8449964, 16899928, 33799856, 267455213, 534910426, 1069820852, 2139641704, 4279283408, 16314767993, 32629535986, 65259071972, 130518143944, 261036287888]

約数ペア:

[(1, 261036287888), (2, 130518143944), (4, 65259071972), (8, 32629535986), (16, 16314767993), (61, 4279283408), (122, 2139641704), (244, 1069820852), (488, 534910426), (976, 267455213), (7723, 33799856), (15446, 16899928), (30892, 8449964), (34631, 7537648), (61784, 4224982), (69262, 3768824), (123568, 2112491), (138524, 1884412), (277048, 942206), (471103, 554096)]