28239516

素因数分解:

$2^2\times 3^5\times {\mathrm{17}}^1\times {\mathrm{1709}}^1$

素因数の和:1745

約数の個数: 72

約数和(自身を含む): 78427440

約数和(自身を除く): 50187924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 459, 486, 612, 918, 972, 1377, 1709, 1836, 2754, 3418, 4131, 5127, 5508, 6836, 8262, 10254, 15381, 16524, 20508, 29053, 30762, 46143, 58106, 61524, 87159, 92286, 116212, 138429, 174318, 184572, 261477, 276858, 348636, 415287, 522954, 553716, 784431, 830574, 1045908, 1568862, 1661148, 2353293, 3137724, 4706586, 7059879, 9413172, 14119758, 28239516]

約数ペア:

[(1, 28239516), (2, 14119758), (3, 9413172), (4, 7059879), (6, 4706586), (9, 3137724), (12, 2353293), (17, 1661148), (18, 1568862), (27, 1045908), (34, 830574), (36, 784431), (51, 553716), (54, 522954), (68, 415287), (81, 348636), (102, 276858), (108, 261477), (153, 184572), (162, 174318), (204, 138429), (243, 116212), (306, 92286), (324, 87159), (459, 61524), (486, 58106), (612, 46143), (918, 30762), (972, 29053), (1377, 20508), (1709, 16524), (1836, 15381), (2754, 10254), (3418, 8262), (4131, 6836), (5127, 5508)]