639402588

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{27367}}^1$

素因数の和:27447

約数の個数: 72

約数和(自身を含む): 1793151360

約数和(自身を除く): 1153748772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 59, 66, 99, 118, 132, 177, 198, 236, 354, 396, 531, 649, 708, 1062, 1298, 1947, 2124, 2596, 3894, 5841, 7788, 11682, 23364, 27367, 54734, 82101, 109468, 164202, 246303, 301037, 328404, 492606, 602074, 903111, 985212, 1204148, 1614653, 1806222, 2709333, 3229306, 3612444, 4843959, 5418666, 6458612, 9687918, 10837332, 14531877, 17761183, 19375836, 29063754, 35522366, 53283549, 58127508, 71044732, 106567098, 159850647, 213134196, 319701294, 639402588]

約数ペア:

[(1, 639402588), (2, 319701294), (3, 213134196), (4, 159850647), (6, 106567098), (9, 71044732), (11, 58127508), (12, 53283549), (18, 35522366), (22, 29063754), (33, 19375836), (36, 17761183), (44, 14531877), (59, 10837332), (66, 9687918), (99, 6458612), (118, 5418666), (132, 4843959), (177, 3612444), (198, 3229306), (236, 2709333), (354, 1806222), (396, 1614653), (531, 1204148), (649, 985212), (708, 903111), (1062, 602074), (1298, 492606), (1947, 328404), (2124, 301037), (2596, 246303), (3894, 164202), (5841, 109468), (7788, 82101), (11682, 54734), (23364, 27367)]