257991474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{8087}}^1$

素因数の和:8514

約数の個数: 32

約数和(自身を含む): 557101440

約数和(自身を除く): 299109966

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409, 818, 1227, 2454, 5317, 8087, 10634, 15951, 16174, 24261, 31902, 48522, 105131, 210262, 315393, 630786, 3307583, 6615166, 9922749, 19845498, 42998579, 85997158, 128995737, 257991474]

約数ペア:

[(1, 257991474), (2, 128995737), (3, 85997158), (6, 42998579), (13, 19845498), (26, 9922749), (39, 6615166), (78, 3307583), (409, 630786), (818, 315393), (1227, 210262), (2454, 105131), (5317, 48522), (8087, 31902), (10634, 24261), (15951, 16174)]