7471009

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 10080000

約数和(自身を除く): 2608991

約数列:

[1, 7, 13, 19, 29, 91, 133, 149, 203, 247, 377, 551, 1043, 1729, 1937, 2639, 2831, 3857, 4321, 7163, 13559, 19817, 30247, 36803, 50141, 56173, 82099, 257621, 393211, 574693, 1067287, 7471009]

約数ペア:

[(1, 7471009), (7, 1067287), (13, 574693), (19, 393211), (29, 257621), (91, 82099), (133, 56173), (149, 50141), (203, 36803), (247, 30247), (377, 19817), (551, 13559), (1043, 7163), (1729, 4321), (1937, 3857), (2639, 2831)]