9271340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{211}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 21191520

約数和(自身を除く): 11920180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 211, 260, 338, 422, 676, 844, 845, 1055, 1690, 2110, 2197, 2743, 3380, 4220, 4394, 5486, 8788, 10972, 10985, 13715, 21970, 27430, 35659, 43940, 54860, 71318, 142636, 178295, 356590, 463567, 713180, 927134, 1854268, 2317835, 4635670, 9271340]

約数ペア:

[(1, 9271340), (2, 4635670), (4, 2317835), (5, 1854268), (10, 927134), (13, 713180), (20, 463567), (26, 356590), (52, 178295), (65, 142636), (130, 71318), (169, 54860), (211, 43940), (260, 35659), (338, 27430), (422, 21970), (676, 13715), (844, 10985), (845, 10972), (1055, 8788), (1690, 5486), (2110, 4394), (2197, 4220), (2743, 3380)]