45390004

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:708

約数の個数: 36

約数和(自身を含む): 87945984

約数和(自身を除く): 42555980

約数列:

[1, 2, 4, 11, 22, 44, 121, 191, 242, 382, 484, 491, 764, 982, 1964, 2101, 4202, 5401, 8404, 10802, 21604, 23111, 46222, 59411, 92444, 93781, 118822, 187562, 237644, 375124, 1031591, 2063182, 4126364, 11347501, 22695002, 45390004]

約数ペア:

[(1, 45390004), (2, 22695002), (4, 11347501), (11, 4126364), (22, 2063182), (44, 1031591), (121, 375124), (191, 237644), (242, 187562), (382, 118822), (484, 93781), (491, 92444), (764, 59411), (982, 46222), (1964, 23111), (2101, 21604), (4202, 10802), (5401, 8404)]