90004664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1667}}^1$

素因数の和:2087

約数の個数: 32

約数和(自身を含む): 179243280

約数和(自身を除く): 89238616

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 397, 794, 1588, 1667, 3176, 3334, 6668, 6749, 13336, 13498, 26996, 28339, 53992, 56678, 113356, 226712, 661799, 1323598, 2647196, 5294392, 11250583, 22501166, 45002332, 90004664]

約数ペア:

[(1, 90004664), (2, 45002332), (4, 22501166), (8, 11250583), (17, 5294392), (34, 2647196), (68, 1323598), (136, 661799), (397, 226712), (794, 113356), (1588, 56678), (1667, 53992), (3176, 28339), (3334, 26996), (6668, 13498), (6749, 13336)]