80639377

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 102771200

約数和(自身を除く): 22131823

約数列:

[1, 7, 13, 61, 73, 91, 199, 427, 511, 793, 949, 1393, 2587, 4453, 5551, 6643, 12139, 14527, 18109, 31171, 57889, 84973, 101689, 157807, 188851, 405223, 886147, 1104649, 1321957, 6203029, 11519911, 80639377]

約数ペア:

[(1, 80639377), (7, 11519911), (13, 6203029), (61, 1321957), (73, 1104649), (91, 886147), (199, 405223), (427, 188851), (511, 157807), (793, 101689), (949, 84973), (1393, 57889), (2587, 31171), (4453, 18109), (5551, 14527), (6643, 12139)]