1268886424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{642149}}^1$

素因数の和:642187

約数の個数: 32

約数和(自身を含む): 2697030000

約数和(自身を除く): 1428143576

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 642149, 1284298, 2568596, 5137192, 8347937, 12200831, 16695874, 24401662, 33391748, 48803324, 66783496, 97606648, 158610803, 317221606, 634443212, 1268886424]

約数ペア:

[(1, 1268886424), (2, 634443212), (4, 317221606), (8, 158610803), (13, 97606648), (19, 66783496), (26, 48803324), (38, 33391748), (52, 24401662), (76, 16695874), (104, 12200831), (152, 8347937), (247, 5137192), (494, 2568596), (988, 1284298), (1976, 642149)]