78678145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 122895360

約数和(自身を除く): 44217215

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 361, 455, 479, 665, 1235, 1729, 1805, 2395, 2527, 3353, 4693, 6227, 8645, 9101, 12635, 16765, 23465, 31135, 32851, 43589, 45505, 63707, 118313, 164255, 172919, 217945, 318535, 591565, 828191, 864595, 1210433, 2247947, 4140955, 6052165, 11239735, 15735629, 78678145]

約数ペア:

[(1, 78678145), (5, 15735629), (7, 11239735), (13, 6052165), (19, 4140955), (35, 2247947), (65, 1210433), (91, 864595), (95, 828191), (133, 591565), (247, 318535), (361, 217945), (455, 172919), (479, 164255), (665, 118313), (1235, 63707), (1729, 45505), (1805, 43589), (2395, 32851), (2527, 31135), (3353, 23465), (4693, 16765), (6227, 12635), (8645, 9101)]