678289911

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{2003}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 1027971840

約数和(自身を除く): 349681929

約数列:

[1, 3, 13, 19, 39, 57, 247, 457, 741, 1371, 2003, 5941, 6009, 8683, 17823, 26039, 26049, 38057, 78117, 112879, 114171, 338637, 494741, 915371, 1484223, 2746113, 11899823, 17392049, 35699469, 52176147, 226096637, 678289911]

約数ペア:

[(1, 678289911), (3, 226096637), (13, 52176147), (19, 35699469), (39, 17392049), (57, 11899823), (247, 2746113), (457, 1484223), (741, 915371), (1371, 494741), (2003, 338637), (5941, 114171), (6009, 112879), (8683, 78117), (17823, 38057), (26039, 26049)]