28810172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 27073348

約数列:

[1, 2, 4, 17, 34, 43, 59, 68, 86, 118, 167, 172, 236, 334, 668, 731, 1003, 1462, 2006, 2537, 2839, 2924, 4012, 5074, 5678, 7181, 9853, 10148, 11356, 14362, 19706, 28724, 39412, 43129, 86258, 122077, 167501, 172516, 244154, 335002, 423679, 488308, 670004, 847358, 1694716, 7202543, 14405086, 28810172]

約数ペア:

[(1, 28810172), (2, 14405086), (4, 7202543), (17, 1694716), (34, 847358), (43, 670004), (59, 488308), (68, 423679), (86, 335002), (118, 244154), (167, 172516), (172, 167501), (236, 122077), (334, 86258), (668, 43129), (731, 39412), (1003, 28724), (1462, 19706), (2006, 14362), (2537, 11356), (2839, 10148), (2924, 9853), (4012, 7181), (5074, 5678)]