891770035

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2069}}^1$

素因数の和:2455

約数の個数: 32

約数和(自身を含む): 1217160000

約数和(自身を除く): 325389965

約数列:

[1, 5, 13, 19, 65, 95, 247, 349, 1235, 1745, 2069, 4537, 6631, 10345, 22685, 26897, 33155, 39311, 86203, 134485, 196555, 431015, 511043, 722081, 2555215, 3610405, 9387053, 13719539, 46935265, 68597695, 178354007, 891770035]

約数ペア:

[(1, 891770035), (5, 178354007), (13, 68597695), (19, 46935265), (65, 13719539), (95, 9387053), (247, 3610405), (349, 2555215), (1235, 722081), (1745, 511043), (2069, 431015), (4537, 196555), (6631, 134485), (10345, 86203), (22685, 39311), (26897, 33155)]