128512998

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{613}}^2$

素因数の和:1253

約数の個数: 36

約数和(自身を含む): 293578740

約数和(自身を除く): 165065742

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 613, 1226, 1839, 3678, 5517, 11034, 11647, 23294, 34941, 69882, 104823, 209646, 375769, 751538, 1127307, 2254614, 3381921, 6763842, 7139611, 14279222, 21418833, 42837666, 64256499, 128512998]

約数ペア:

[(1, 128512998), (2, 64256499), (3, 42837666), (6, 21418833), (9, 14279222), (18, 7139611), (19, 6763842), (38, 3381921), (57, 2254614), (114, 1127307), (171, 751538), (342, 375769), (613, 209646), (1226, 104823), (1839, 69882), (3678, 34941), (5517, 23294), (11034, 11647)]