13428877

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 18017280

約数和(自身を除く): 4588403

約数列:

[1, 7, 11, 19, 67, 77, 133, 137, 209, 469, 737, 959, 1273, 1463, 1507, 2603, 5159, 8911, 9179, 10549, 14003, 18221, 28633, 64253, 98021, 100969, 174401, 200431, 706783, 1220807, 1918411, 13428877]

約数ペア:

[(1, 13428877), (7, 1918411), (11, 1220807), (19, 706783), (67, 200431), (77, 174401), (133, 100969), (137, 98021), (209, 64253), (469, 28633), (737, 18221), (959, 14003), (1273, 10549), (1463, 9179), (1507, 8911), (2603, 5159)]