164055535

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 234127872

約数和(自身を除く): 70072337

約数列:

[1, 5, 7, 35, 43, 61, 215, 301, 305, 427, 1505, 1787, 2135, 2623, 8935, 12509, 13115, 18361, 62545, 76841, 91805, 109007, 384205, 537887, 545035, 763049, 2689435, 3815245, 4687301, 23436505, 32811107, 164055535]

約数ペア:

[(1, 164055535), (5, 32811107), (7, 23436505), (35, 4687301), (43, 3815245), (61, 2689435), (215, 763049), (301, 545035), (305, 537887), (427, 384205), (1505, 109007), (1787, 91805), (2135, 76841), (2623, 62545), (8935, 18361), (12509, 13115)]