28279790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1977

約数の個数: 64

約数和(自身を含む): 66839040

約数和(自身を除く): 38559250

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 1933, 2090, 2926, 3866, 7315, 9665, 13531, 14630, 19330, 21263, 27062, 36727, 42526, 67655, 73454, 106315, 135310, 148841, 183635, 212630, 257089, 297682, 367270, 403997, 514178, 744205, 807994, 1285445, 1488410, 2019985, 2570890, 2827979, 4039970, 5655958, 14139895, 28279790]

約数ペア:

[(1, 28279790), (2, 14139895), (5, 5655958), (7, 4039970), (10, 2827979), (11, 2570890), (14, 2019985), (19, 1488410), (22, 1285445), (35, 807994), (38, 744205), (55, 514178), (70, 403997), (77, 367270), (95, 297682), (110, 257089), (133, 212630), (154, 183635), (190, 148841), (209, 135310), (266, 106315), (385, 73454), (418, 67655), (665, 42526), (770, 36727), (1045, 27062), (1330, 21263), (1463, 19330), (1933, 14630), (2090, 13531), (2926, 9665), (3866, 7315)]