1289743832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{859}}^1\times {\mathrm{14437}}^1$

素因数の和:15315

約数の個数: 32

約数和(自身を含む): 2607502800

約数和(自身を除く): 1317758968

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 859, 1718, 3436, 6872, 11167, 14437, 22334, 28874, 44668, 57748, 89336, 115496, 187681, 375362, 750724, 1501448, 12401383, 24802766, 49605532, 99211064, 161217979, 322435958, 644871916, 1289743832]

約数ペア:

[(1, 1289743832), (2, 644871916), (4, 322435958), (8, 161217979), (13, 99211064), (26, 49605532), (52, 24802766), (104, 12401383), (859, 1501448), (1718, 750724), (3436, 375362), (6872, 187681), (11167, 115496), (14437, 89336), (22334, 57748), (28874, 44668)]