87688144

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{997}}^1$

素因数の和:1267

約数の個数: 40

約数和(自身を含む): 178202880

約数和(自身を除く): 90514736

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 239, 368, 478, 956, 997, 1912, 1994, 3824, 3988, 5497, 7976, 10994, 15952, 21988, 22931, 43976, 45862, 87952, 91724, 183448, 238283, 366896, 476566, 953132, 1906264, 3812528, 5480509, 10961018, 21922036, 43844072, 87688144]

約数ペア:

[(1, 87688144), (2, 43844072), (4, 21922036), (8, 10961018), (16, 5480509), (23, 3812528), (46, 1906264), (92, 953132), (184, 476566), (239, 366896), (368, 238283), (478, 183448), (956, 91724), (997, 87952), (1912, 45862), (1994, 43976), (3824, 22931), (3988, 21988), (5497, 15952), (7976, 10994)]