28411004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:474

約数の個数: 36

約数和(自身を含む): 54217800

約数和(自身を除く): 25806796

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 389, 589, 778, 961, 1178, 1556, 1922, 2356, 3844, 7391, 12059, 14782, 18259, 24118, 29564, 36518, 48236, 73036, 229121, 373829, 458242, 747658, 916484, 1495316, 7102751, 14205502, 28411004]

約数ペア:

[(1, 28411004), (2, 14205502), (4, 7102751), (19, 1495316), (31, 916484), (38, 747658), (62, 458242), (76, 373829), (124, 229121), (389, 73036), (589, 48236), (778, 36518), (961, 29564), (1178, 24118), (1556, 18259), (1922, 14782), (2356, 12059), (3844, 7391)]