38458641

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 25408239

約数列:

[1, 3, 13, 17, 19, 39, 43, 51, 57, 71, 129, 213, 221, 247, 323, 559, 663, 731, 741, 817, 923, 969, 1207, 1349, 1677, 2193, 2451, 2769, 3053, 3621, 4047, 4199, 9159, 9503, 10621, 12597, 13889, 15691, 17537, 22933, 28509, 31863, 39689, 41667, 47073, 51901, 52611, 58007, 68799, 119067, 155703, 174021, 180557, 298129, 541671, 674713, 754091, 894387, 986119, 2024139, 2262273, 2958357, 12819547, 38458641]

約数ペア:

[(1, 38458641), (3, 12819547), (13, 2958357), (17, 2262273), (19, 2024139), (39, 986119), (43, 894387), (51, 754091), (57, 674713), (71, 541671), (129, 298129), (213, 180557), (221, 174021), (247, 155703), (323, 119067), (559, 68799), (663, 58007), (731, 52611), (741, 51901), (817, 47073), (923, 41667), (969, 39689), (1207, 31863), (1349, 28509), (1677, 22933), (2193, 17537), (2451, 15691), (2769, 13889), (3053, 12597), (3621, 10621), (4047, 9503), (4199, 9159)]