28205121623

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{7079}}^1$

素因数の和:7228

約数の個数: 48

約数和(自身を含む): 35229173760

約数和(自身を除く): 7024052137

約数列:

[1, 7, 31, 43, 49, 61, 217, 301, 427, 1333, 1519, 1891, 2107, 2623, 2989, 7079, 9331, 13237, 18361, 49553, 65317, 81313, 92659, 128527, 219449, 304397, 346871, 431819, 569191, 1536143, 2130779, 3022733, 3984337, 9436307, 10753001, 13386389, 14915453, 18568217, 21159131, 66054149, 93704723, 129977519, 462379043, 575614727, 655933061, 909842633, 4029303089, 28205121623]

約数ペア:

[(1, 28205121623), (7, 4029303089), (31, 909842633), (43, 655933061), (49, 575614727), (61, 462379043), (217, 129977519), (301, 93704723), (427, 66054149), (1333, 21159131), (1519, 18568217), (1891, 14915453), (2107, 13386389), (2623, 10753001), (2989, 9436307), (7079, 3984337), (9331, 3022733), (13237, 2130779), (18361, 1536143), (49553, 569191), (65317, 431819), (81313, 346871), (92659, 304397), (128527, 219449)]