28943156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 58968000

約数和(自身を除く): 30024844

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 89, 178, 209, 356, 389, 418, 778, 836, 979, 1556, 1691, 1958, 3382, 3916, 4279, 6764, 7391, 8558, 14782, 17116, 18601, 29564, 34621, 37202, 69242, 74404, 81301, 138484, 162602, 325204, 380831, 657799, 761662, 1315598, 1523324, 2631196, 7235789, 14471578, 28943156]

約数ペア:

[(1, 28943156), (2, 14471578), (4, 7235789), (11, 2631196), (19, 1523324), (22, 1315598), (38, 761662), (44, 657799), (76, 380831), (89, 325204), (178, 162602), (209, 138484), (356, 81301), (389, 74404), (418, 69242), (778, 37202), (836, 34621), (979, 29564), (1556, 18601), (1691, 17116), (1958, 14782), (3382, 8558), (3916, 7391), (4279, 6764)]