128995845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1789}}^1$

素因数の和:1850

約数の個数: 64

約数和(自身を含む): 247449600

約数和(自身を除く): 118453755

約数列:

[1, 3, 5, 11, 15, 19, 23, 33, 55, 57, 69, 95, 115, 165, 209, 253, 285, 345, 437, 627, 759, 1045, 1265, 1311, 1789, 2185, 3135, 3795, 4807, 5367, 6555, 8945, 14421, 19679, 24035, 26835, 33991, 41147, 59037, 72105, 98395, 101973, 123441, 169955, 205735, 295185, 373901, 452617, 509865, 617205, 781793, 1121703, 1357851, 1869505, 2263085, 2345379, 3908965, 5608515, 6789255, 8599723, 11726895, 25799169, 42998615, 128995845]

約数ペア:

[(1, 128995845), (3, 42998615), (5, 25799169), (11, 11726895), (15, 8599723), (19, 6789255), (23, 5608515), (33, 3908965), (55, 2345379), (57, 2263085), (69, 1869505), (95, 1357851), (115, 1121703), (165, 781793), (209, 617205), (253, 509865), (285, 452617), (345, 373901), (437, 295185), (627, 205735), (759, 169955), (1045, 123441), (1265, 101973), (1311, 98395), (1789, 72105), (2185, 59037), (3135, 41147), (3795, 33991), (4807, 26835), (5367, 24035), (6555, 19679), (8945, 14421)]