208302215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1789}}^1$

素因数の和:1907

約数の個数: 32

約数和(自身を含む): 286113600

約数和(自身を除く): 77811385

約数列:

[1, 5, 11, 29, 55, 73, 145, 319, 365, 803, 1595, 1789, 2117, 4015, 8945, 10585, 19679, 23287, 51881, 98395, 116435, 130597, 259405, 570691, 652985, 1436567, 2853455, 3787313, 7182835, 18936565, 41660443, 208302215]

約数ペア:

[(1, 208302215), (5, 41660443), (11, 18936565), (29, 7182835), (55, 3787313), (73, 2853455), (145, 1436567), (319, 652985), (365, 570691), (803, 259405), (1595, 130597), (1789, 116435), (2117, 98395), (4015, 51881), (8945, 23287), (10585, 19679)]