28578636

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{3727}}^1$

素因数の和:3811

約数の個数: 48

約数和(自身を含む): 75156480

約数和(自身を除く): 46577844

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 3727, 3834, 7454, 7668, 11181, 14908, 22362, 33543, 44724, 67086, 100629, 134172, 201258, 264617, 402516, 529234, 793851, 1058468, 1587702, 2381553, 3175404, 4763106, 7144659, 9526212, 14289318, 28578636]

約数ペア:

[(1, 28578636), (2, 14289318), (3, 9526212), (4, 7144659), (6, 4763106), (9, 3175404), (12, 2381553), (18, 1587702), (27, 1058468), (36, 793851), (54, 529234), (71, 402516), (108, 264617), (142, 201258), (213, 134172), (284, 100629), (426, 67086), (639, 44724), (852, 33543), (1278, 22362), (1917, 14908), (2556, 11181), (3727, 7668), (3834, 7454)]