208518804879

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1\times {\mathrm{21391}}^1$

素因数の和:23652

約数の個数: 64

約数和(自身を含む): 365053624320

約数和(自身を除く): 156534819441

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 133, 209, 231, 399, 627, 1463, 2221, 4389, 6663, 15547, 21391, 24431, 42199, 46641, 64173, 73293, 126597, 149737, 171017, 235301, 295393, 406429, 449211, 464189, 513051, 705903, 886179, 1219287, 1392567, 1647107, 2845003, 3249323, 4470719, 4941321, 8535009, 9747969, 13412157, 31295033, 47509411, 93885099, 142528233, 332565877, 522603521, 902678809, 997697631, 1567810563, 2708036427, 3658224647, 6318751663, 9929466899, 10974673941, 18956254989, 29788400697, 69506268293, 208518804879]

約数ペア:

[(1, 208518804879), (3, 69506268293), (7, 29788400697), (11, 18956254989), (19, 10974673941), (21, 9929466899), (33, 6318751663), (57, 3658224647), (77, 2708036427), (133, 1567810563), (209, 997697631), (231, 902678809), (399, 522603521), (627, 332565877), (1463, 142528233), (2221, 93885099), (4389, 47509411), (6663, 31295033), (15547, 13412157), (21391, 9747969), (24431, 8535009), (42199, 4941321), (46641, 4470719), (64173, 3249323), (73293, 2845003), (126597, 1647107), (149737, 1392567), (171017, 1219287), (235301, 886179), (295393, 705903), (406429, 513051), (449211, 464189)]