256856702958

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{397}}^1\times {\mathrm{678191}}^1$

素因数の和:678649

約数の個数: 48

約数和(自身を含む): 568452396096

約数和(自身を除く): 311595693138

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 397, 477, 794, 954, 1191, 2382, 3573, 7146, 21041, 42082, 63123, 126246, 189369, 378738, 678191, 1356382, 2034573, 4069146, 6103719, 12207438, 35944123, 71888246, 107832369, 215664738, 269241827, 323497107, 538483654, 646994214, 807725481, 1615450962, 2423176443, 4846352886, 14269816831, 28539633662, 42809450493, 85618900986, 128428351479, 256856702958]

約数ペア:

[(1, 256856702958), (2, 128428351479), (3, 85618900986), (6, 42809450493), (9, 28539633662), (18, 14269816831), (53, 4846352886), (106, 2423176443), (159, 1615450962), (318, 807725481), (397, 646994214), (477, 538483654), (794, 323497107), (954, 269241827), (1191, 215664738), (2382, 107832369), (3573, 71888246), (7146, 35944123), (21041, 12207438), (42082, 6103719), (63123, 4069146), (126246, 2034573), (189369, 1356382), (378738, 678191)]