28646904

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 89268480

約数和(自身を除く): 60621576

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 132, 136, 143, 156, 187, 204, 221, 264, 286, 312, 374, 408, 429, 442, 491, 561, 572, 663, 748, 858, 884, 982, 1122, 1144, 1326, 1473, 1496, 1716, 1768, 1964, 2244, 2431, 2652, 2946, 3432, 3928, 4488, 4862, 5304, 5401, 5892, 6383, 7293, 8347, 9724, 10802, 11784, 12766, 14586, 16203, 16694, 19149, 19448, 21604, 25041, 25532, 29172, 32406, 33388, 38298, 43208, 50082, 51064, 58344, 64812, 66776, 70213, 76596, 91817, 100164, 108511, 129624, 140426, 153192, 183634, 200328, 210639, 217022, 275451, 280852, 325533, 367268, 421278, 434044, 550902, 561704, 651066, 734536, 842556, 868088, 1101804, 1193621, 1302132, 1685112, 2203608, 2387242, 2604264, 3580863, 4774484, 7161726, 9548968, 14323452, 28646904]

約数ペア:

[(1, 28646904), (2, 14323452), (3, 9548968), (4, 7161726), (6, 4774484), (8, 3580863), (11, 2604264), (12, 2387242), (13, 2203608), (17, 1685112), (22, 1302132), (24, 1193621), (26, 1101804), (33, 868088), (34, 842556), (39, 734536), (44, 651066), (51, 561704), (52, 550902), (66, 434044), (68, 421278), (78, 367268), (88, 325533), (102, 280852), (104, 275451), (132, 217022), (136, 210639), (143, 200328), (156, 183634), (187, 153192), (204, 140426), (221, 129624), (264, 108511), (286, 100164), (312, 91817), (374, 76596), (408, 70213), (429, 66776), (442, 64812), (491, 58344), (561, 51064), (572, 50082), (663, 43208), (748, 38298), (858, 33388), (884, 32406), (982, 29172), (1122, 25532), (1144, 25041), (1326, 21604), (1473, 19448), (1496, 19149), (1716, 16694), (1768, 16203), (1964, 14586), (2244, 12766), (2431, 11784), (2652, 10802), (2946, 9724), (3432, 8347), (3928, 7293), (4488, 6383), (4862, 5892), (5304, 5401)]