28370144

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 65155104

約数和(自身を除く): 36784960

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 68, 88, 121, 136, 176, 187, 242, 272, 352, 374, 431, 484, 544, 748, 862, 968, 1496, 1724, 1936, 2057, 2992, 3448, 3872, 4114, 4741, 5984, 6896, 7327, 8228, 9482, 13792, 14654, 16456, 18964, 29308, 32912, 37928, 52151, 58616, 65824, 75856, 80597, 104302, 117232, 151712, 161194, 208604, 234464, 322388, 417208, 644776, 834416, 886567, 1289552, 1668832, 1773134, 2579104, 3546268, 7092536, 14185072, 28370144]

約数ペア:

[(1, 28370144), (2, 14185072), (4, 7092536), (8, 3546268), (11, 2579104), (16, 1773134), (17, 1668832), (22, 1289552), (32, 886567), (34, 834416), (44, 644776), (68, 417208), (88, 322388), (121, 234464), (136, 208604), (176, 161194), (187, 151712), (242, 117232), (272, 104302), (352, 80597), (374, 75856), (431, 65824), (484, 58616), (544, 52151), (748, 37928), (862, 32912), (968, 29308), (1496, 18964), (1724, 16456), (1936, 14654), (2057, 13792), (2992, 9482), (3448, 8228), (3872, 7327), (4114, 6896), (4741, 5984)]