2218218821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{929}}^1\times {\mathrm{1381}}^1$

素因数の和:2349

約数の個数: 32

約数和(自身を含む): 2878982400

約数和(自身を除く): 660763579

約数列:

[1, 7, 13, 19, 91, 133, 247, 929, 1381, 1729, 6503, 9667, 12077, 17651, 17953, 26239, 84539, 123557, 125671, 183673, 229463, 341107, 1282949, 1606241, 2387749, 8980643, 16678337, 24376031, 116748359, 170632217, 316888403, 2218218821]

約数ペア:

[(1, 2218218821), (7, 316888403), (13, 170632217), (19, 116748359), (91, 24376031), (133, 16678337), (247, 8980643), (929, 2387749), (1381, 1606241), (1729, 1282949), (6503, 341107), (9667, 229463), (12077, 183673), (17651, 125671), (17953, 123557), (26239, 84539)]