646800012

素因数分解:

$2^2\times 3^3\times {\mathrm{2063}}^1\times {\mathrm{2903}}^1$

素因数の和:4979

約数の個数: 48

約数和(自身を含む): 1678279680

約数和(自身を除く): 1031479668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 2063, 2903, 4126, 5806, 6189, 8252, 8709, 11612, 12378, 17418, 18567, 24756, 26127, 34836, 37134, 52254, 55701, 74268, 78381, 104508, 111402, 156762, 222804, 313524, 5988889, 11977778, 17966667, 23955556, 35933334, 53900001, 71866668, 107800002, 161700003, 215600004, 323400006, 646800012]

約数ペア:

[(1, 646800012), (2, 323400006), (3, 215600004), (4, 161700003), (6, 107800002), (9, 71866668), (12, 53900001), (18, 35933334), (27, 23955556), (36, 17966667), (54, 11977778), (108, 5988889), (2063, 313524), (2903, 222804), (4126, 156762), (5806, 111402), (6189, 104508), (8252, 78381), (8709, 74268), (11612, 55701), (12378, 52254), (17418, 37134), (18567, 34836), (24756, 26127)]