12662728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{389}}^1$

素因数の和:721

約数の個数: 32

約数和(自身を含む): 25716600

約数和(自身を除く): 13053872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 313, 389, 626, 778, 1252, 1556, 2504, 3112, 4069, 5057, 8138, 10114, 16276, 20228, 32552, 40456, 121757, 243514, 487028, 974056, 1582841, 3165682, 6331364, 12662728]

約数ペア:

[(1, 12662728), (2, 6331364), (4, 3165682), (8, 1582841), (13, 974056), (26, 487028), (52, 243514), (104, 121757), (313, 40456), (389, 32552), (626, 20228), (778, 16276), (1252, 10114), (1556, 8138), (2504, 5057), (3112, 4069)]