28736856

素因数分解:

$2^3\times 3^4\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 81921840

約数和(自身を除く): 53184984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 61, 72, 81, 108, 122, 162, 183, 216, 244, 324, 366, 488, 549, 648, 727, 732, 1098, 1454, 1464, 1647, 2181, 2196, 2908, 3294, 4362, 4392, 4941, 5816, 6543, 6588, 8724, 9882, 13086, 13176, 17448, 19629, 19764, 26172, 39258, 39528, 44347, 52344, 58887, 78516, 88694, 117774, 133041, 157032, 177388, 235548, 266082, 354776, 399123, 471096, 532164, 798246, 1064328, 1197369, 1596492, 2394738, 3192984, 3592107, 4789476, 7184214, 9578952, 14368428, 28736856]

約数ペア:

[(1, 28736856), (2, 14368428), (3, 9578952), (4, 7184214), (6, 4789476), (8, 3592107), (9, 3192984), (12, 2394738), (18, 1596492), (24, 1197369), (27, 1064328), (36, 798246), (54, 532164), (61, 471096), (72, 399123), (81, 354776), (108, 266082), (122, 235548), (162, 177388), (183, 157032), (216, 133041), (244, 117774), (324, 88694), (366, 78516), (488, 58887), (549, 52344), (648, 44347), (727, 39528), (732, 39258), (1098, 26172), (1454, 19764), (1464, 19629), (1647, 17448), (2181, 13176), (2196, 13086), (2908, 9882), (3294, 8724), (4362, 6588), (4392, 6543), (4941, 5816)]