80521639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 99221760

約数和(自身を除く): 18700121

約数列:

[1, 11, 17, 19, 131, 173, 187, 209, 323, 1441, 1903, 2227, 2489, 2941, 3287, 3553, 22663, 24497, 27379, 32351, 36157, 42313, 55879, 249293, 385271, 430597, 465443, 614669, 4237981, 4736567, 7320149, 80521639]

約数ペア:

[(1, 80521639), (11, 7320149), (17, 4736567), (19, 4237981), (131, 614669), (173, 465443), (187, 430597), (209, 385271), (323, 249293), (1441, 55879), (1903, 42313), (2227, 36157), (2489, 32351), (2941, 27379), (3287, 24497), (3553, 22663)]